Filters

List of acid Tenders

List of latest acid Tenders in Indian Tenders. Click on any acid Tenders to view BOQ, NIT and Tender Documents. Get GeM Registration and Bidding Support, Vendor Registration for acid Tenders.

All-Tenders (57)
|
Today's-Tenders
|
Active-Tenders
|
Closed-Tenders

Central Government/Public Sector

TRN :35927101 | 10 Dec, 2025

Tender Value : 0

New Delhi - Delhi

Tender for gem bids for sulphuric acid for bulk supply - factl q3

Central Government/Public Sector

TRN :35920945 | 04 Dec, 2025

Tender Value : 0

Kupwara - Jammu And Kashmir

Tender for gem bids for bees wax, cloth sponge cotton, soap liquid, broomsweeping, broom country, polythene film .05 mm think x 1m, linolium sheet thick brown, soap soft, paint rfumarking golden yellow, paint rfu matt finish olive green, paint rfu black, cotton waste coloured, musline blue 91cm, muslin white bleached, paper wrapping water proofplain 841mm, paper wrapping water proof plain 1189mm, turpentine, surf exel, abrasive paper glass is grit 50 sizeof, paint rfu air dry br spr ena green grass, paint rfugs syn dark brown, paint finishing matt rfu air drying b, bleach poowder stabilished, acid sulphuric pure, steelsheet carbon hot rolled, paint rfu marking white, paintrfu priming red oxide, paint rfu nitrocellulose finishing, paint rfu matrking signal red, paint rfu marking black, nails steel wire round 70mm x 3.15mm, aluminium sheethard 1.22mm, aluminium sheet half hard 1.63mm, wiresteel mild annealed 2.00mm, wire steel mild annealed5.00mm, steel angles 25x25x3mm, steel angles100x100x12mm, steel sheet carbon hot rolled 2500x100, wire steel mild annealed 1.25mm, nails steel wire round25mm x 2mm, nails steel wire round 40mm x 2mm, flannelette, plywood for general purpose mr-abp, plywood general purpose wwr ab 3 ply 240, plywood forgeneral purpose wwr ab 9 ply 240, plywood for generalpurpose mr bb 7ply, plywood for general purpose mr ab 9ply, ply wood marine 7 ply lxbxt 210cmx90cm, ply woodmarine 7 ply lxbxt 180cmx90cm, ply wood marine 5 plylxbxt

Central Government/Public Sector

TRN :35921532 | 10 Dec, 2025

Tender Value : 5.00 Lacs

Dharamshala - Himachal Pradesh

Tender for gem bids for one three dinitrobenzene, 2 2 azino bis 3ethylbenzothiazoline 6 sulphonic acid abts, 2 propanol, 35 dimethoxy 4 hydroxyacetophenone acetosyringone, acetone, acetic acid glacial, acetonitrile, acrylamide, activated charcoal powder, aluminium potassium sulphatedodecahydrate potash alum, ammonia solution ammoniumhydroxide, ammonium chloride, ancymidol, andrographolide, bismuth iii subnitrate, bromine water, bromocresol green, bromocresol purple, carboxymethylcellulose sodium salt, chitin, chitosan, chloroform, citricacid monohydrate, curzerenone, dextrose d plus glucoseanhydrous, diethylene glycol, dmso, dpph 2 2 diphenyl 1picrylhydrazyl, dragendorff s reagent, ethanol, ethylacetate, ethylene glycol, ferrous chloride tetra hydrate, formaldehyde, glycerol, hydrochloric acid, hydrogenperoxide, hyperoside, jasmonic acid, lactic acid, lascorbic acid, litmus solution blue, litmus solution red, luria bertani agar miller miller luria bertani agar, luriabertani broth miller miller luria bertani broth, mercuricchloride, methanol, methyl orange, methyl red, millonsreagent, molisch reagent, mueller hinton agar, muellerhinton broth, murashige and skoog media wcacl2 andvitamins and sucrose wo agar, murashige and skoogmedium w cacl2 and vitamins wo sucrose and agar, murashige and skoog microelements solution 100x, murashige and skoog vitamins 1000x, murashige andskoogmacroelements solution 10x, n butanol, neoandrographolide, n hexane, ninhydrin, nitric acid, npropanol, paclobutrazol, perchloric acid, petroleum ether, phenol crystal, phenolphthalein, potassium dichromate, potassium iodide, potassium permanganate, quercetin, rottlerin, silica gel g for tlc, silver nitrate, sodiumbicarbonate, sodium bisulphite, sodium carbonateanhydrous, sodium chloride, sodium hydroxide, sodiumlactate, sodium nitroprusside solution, sucrose, sulphuricacid, tartaric acid, toluene, tween 80, universalindicator solution, wagner reagent, xylene, agarose, ammonium acetate, ammonium persulphate, isoamylalcohol, boric acid, bromophenol blue, coomassie briliantblue, ctab n cetyl n n n trimethylammonium bromidebuffer, dna polymerase with standard taq buffer with mg2plus, dntps, ethidium bromide, polyvinylpyrrolidone, temed, tris hcl, xylene cyanol, urea, acryl 29 ratio 13dot 3 cross linker, 10x tbe solution, phenol, mgcl2, dnaladder, protein markers, primers forward n reverse, plantgenomic dna isolation teaching kits, rna extractionteaching kits, pcr teaching kits, diphenyl amine reagent, saline citrate buffer ph 7, depec water, rna ladder, dna amplification universal primers, diluent for dnaextraction

Central Government/Public Sector

TRN :35921774 | 10 Dec, 2025

Tender Value : 0

Ganjam - Orissa

Tender for gem bids for tab azathioprine 50mg tab acetazolamide 250mg tab spironolactone 25mg tab hydroxyzine 25mg tab biotin tab chymoral forte lozenges cofsil tab cilnidipine 5mg tab citicoline plus piracetam tab clotrimazole v p tab duloxetine 30mg tabdrotaverine 40mg tab dapagliflozin 10mg tabtelmisartan 40mg tab dutasteride 05mg tabeltroxine 25mg tab eltroxin 125mg tabentacavir 05mg tab emphagliflozin 10mg tabeplerenone 25mg tab fluoxitine 20mg tabfrusemide 20mg tab fenofibrate 160mg tabflavaxate 200mg tab fas kit tab natrilix sr 15mgindapamide sr 15mg tab ivabradine 5mg tabmefnamic acid 500mg tab mesoprostal 200mg mtpkit tab mala n tab norfloxin 400mg tabnefedipine 20mg tab memantine hcl 5mg tabparoxetine 125mg tab pacitone 2mg trihexyphenidyl hydrochloride tab prasugrel10mg tab propranolol 40mg tab ranitidine 150mg tab resperidone 4mg tab rabiprazole plusdomperidone tab solifenacin 10mg tabsexagliptin 05mg tab rasagiline 5mg tabtinidazole 500mg tab vildagliptin 50mg tabthiamine sachet sporlac sachet tablevetiracetum 500mg chlorhexidine mouth wash mallet finger splint instead knee brace tenniselbow support syp macberry syp zinc syp flagyl syp augmentin 225mg syp domperidone syplactulose drop colivent drops vit d3 jr 400mg syp hydroxyzine atrax e d gatiflox e d timolol e d cmc e d travoprost e d earwax n dnormalsaline drop cpm phenylephrine hclparacetamol and chlorpheniramine maleate bid number gem2025b6870189 dated 19-11-2025 bid document1 133 1 1 ketoconazole shampoo, calominbe lotion, ointbetamethasone plus gentamycin, oint anovate, ointbetadine, neosprin powder, lignocaine gelly 2 per, mouth ulcer gel, tab clengen fort v p, tabtenofovir . 300mg., lamivudin 300mg, efaverinz300mg, cap evening primrose oil, tab ivermectin06mg, knee cap, tab selegline 5mg, soft cervicalcollor, tab carvidilol 3.125mg, finger cot, soapketoconazole, tab sertaline 100mg, tabteneligliptin 20mg, e d ketofen, tab ozempic, geladapalene, cream psoralen, paraffin wax, desloratidine lotion, tab desloratidine, nasalspray xylometazoline, nasal spray fluticosone, salicylic acid and lactic acid paint, tab ferrousascorbate plus folic acid, tab coenzyme q10, 2 peralpha arbutin face serum, inj vit k 10 mg, injalteplase 50 mg, inj haloperidol 5 mg or ml amp of 01 ml, aceclofenac suppository, pethidine inj 50 mg in 1ml amp, pentazocine lactate 30 mg ml, 1 ml amp, artesunate 60mginj, enema sodium phosphate ml 6 percent sod acidphosphate16 percent pack of100ml, tramodol hcl 50 mgml inj, 1 ml amp, acamprosate 333 mg tab, drotaverinehci. 20mg ml inj, acyclovir tab 800 mg, n acetyl cysteine600 mg, tab, tab calcium acetate 500 mg, tabracecadotril, pyridostigmine tab 60mg, inj acyclovir, tablevosulpride plus rabeprazole, glycopyrrolate 0.2 mg ml 1ml inj, octreotide 0.1 mg ml inj amp of 01 ml, injterlipressin, tab arthemeter plus lumefantrine, inj b12500 mcg ml amp of 01 ml, urine catheter guide wire, wound maneger, spray microdacyn, colostomy bag, peglec . sodium picosulphate., silicon foleys catherer 16fg 2 way . 100 pre silicon with radio. opaque line and tip.ballon capacity 15. 30 ml, dry laser film 8 x10 compatablewith dry pix 6000 fugi film . cartidge of 150 films each., dry laser film 10x12 compatable with dry pix 6000 fugifilm . cartidge of 150 films each., iohexol 300 mg ml vial of50 ml . non ionic., microbar suspension hd 200 w v, labetolol hcl 100mg tab, amiodarone hcl 150 mg, 3 mlinj, adenosine 3 mg ml 2 ml inj, glucose powder . pack of75 gm., malletanger splint, human rabies immune globulinserum 150 iu ml 5ml pfs . equirab., diniprostone gel, diniprostone pressery, inj lignocaine 2 per, inj methargin, oxytocin 5 units per 1.0ml amp inj, adk . abdominal drain .size. 26, adk . abdominal drain . size. 28, adk . abdominaldrain . size. 30, adk . abdominal drain . size. 32, adk .abdominal drain . size. 34, romobag drain size. 8 fg, romobag drain size. 10 fg, romobag drain size. 12 fg, romobag drain size. 16 fg, romobag drain size. 18 fg, vascular tap, sterile g. dressing, sterile g. dressing small, sterile g. dressing medium, sterile g. dressing large, skinglue for wound closer . skin adhesive glue., amla cream .prilox., tube endo. tracheal nasal size 3.0 with cuff, tubeendo. tracheal nasal size 3.5 with cuff, tube endo. trachealnasal size 4.0 with cuff, tube endo. tracheal nasal size 4.5with cuff, tube endo. tracheal nasal size 5.0 with cuff, catheter foleys silicon 8 fg, catheter foleys silicon 10 fg, non absorbent synthetic cotton wide 15 cm 10 cm, injmidazolam 5 mg, 1 ml, vancomycin cp 500mg inj, injpropofol 1 per or 10mg ml, 20 ml inj, inj ketamine hcl50mg ml 2 ml inj, inj dexamethasone 1 ml, inj labetalolhcl 4 ml amp, bupivacaine hcl 5mg ml, 20 ml inj anawin, bupivacine hcl 5mg per ml heavy 4ml inj anawin, fentanyl mcg ml 2 ml inj, disposable yankur suction, cautery lid, lipase kit . erba., kit for estimation of ldh . //bid details2 / 133 erba., kits for estimation of uric acid kit . erba., microcentrifuge tube . eppendorf., kits for estimation ofglucose kit . erba., kit for triglyceride estimation . coral., strips protine and glucose, bott of 100 strips, nylon pipetube clean brush . 8 inch x 2 5 inch., rapid test for malaria, troponin t test card, printer roll thermal . size57mmx13mtr., blood grouping tile 12 holes, micro tips 05ul to 200 ul, rapid card screening for hcv, typhi dotrapid test kit

State Government

TRN :35922439 | 04 Dec, 2025

Tender Value : 0

Yavatmal - Maharashtra

Tender for gem bids for ria tube without cap 100 nos pack disposable esr tubes100 nos packet sheep blood agar plates mac conkeyagar plate muller hinton agar plate lab grade glycerin elisa hcv edta k3 double cap violet 100 tube pack clotactivator double cap red100 tube pack sodium citratetube ptnir double cap100 tube pack fluroid tube doublecap 100 tube pack agar agar powder 500 gms diagnosticsensitivity agar 500 gms potassium tellurite agar 500 gms monsurs gelatin taurocholate trypticase tellurite agargtta 500gms triple sugar iron agar 500 gms meresaagar base 500 gms dnase agar with toludine blue 500 gms mannitol salt agar msa 500 gms xylose lysinedeoxycholate xld 500 gms deoxycholate citrate agardca 500 gms hicrome staph agar base modified 500 gms ssa salmonella shigella agar 500 gms hichrome uti agarwith selective supplement 500 gms l- pyrrolidonyl-b-naphthylamide pyr agar 500 gms l- pyrrolidonyl-b-naphthylamide pyr broth 500 gms gelatine powder 500gms soyabean casein digestive medium 500 gms decarboxylase base hi veg 500 gms hugh liefson glucosemedium500 gms pyruvate powder 500 gms potassiumtellurite lr 25 gm bacteriological peptone water 500 gms andrade peptone water base 500 gms motility medium sbase 500 gms bile broth base 500 gms trypticase soyabroth 500 gms mr-vp media 500 gms lofflers mediumslant 25 nos slant lowenstein jensens medium slant 100nos per unit sda with cycloheximide 500 gms yeastextract agar 500 gms hi-chrome candida differential agar500 gms hi-chrome candida differential agar with selectivesupplement 500 gms corn meal agar 500 gms dermatophyte test medium 500 gms dermatophytesupplement 500 gms cooked meat medium rcm 500 gms meat extract general and diagnostic purpose 500 gms bid number gem2025b6906435 dated 19-11-2025 bid document1 86 1 1 thioglycolate medium 500 gms, blood culture bottel withbrain heart infusion broth 50 ml per bottle, blood culturebottel with brain heart infusion broth 20 ml per bottle, nitrate broth 50 gms, andrades indicator 125 ml, aceton99 per 5 ltr, hydrochloric acid gr 2.5 ltr, safranine 100gm, sulphuric acid gr 2.5 ltr, ethyl alcohol gr 1 ltr, xylene 1 ltr, glycerine 2.5 ltr, hydrogen peroxide 500 ml, formaldehyde solution 37.4 perw oblligev 5 ltr, phenolcrystals, sodium hypochlorite solution 5 ltr, dpx mount250 ml, d-glucose powder 500 gm, lactose powder 500gm, maltose powder 500 gms, sucrose powder 500 gms, mannose powder 500 gms, mannitol powder 500 gms, raffinose hydrate powder 50 gm, d- arabinose powder 50gm, inulin powder 50 gm, d-trehalose powder 50 gm, sorbitol powder 50 gm, l-lysine monohydrate powder 50gm, l- ornithine monohydrate powder 50 gm, l-argininepowder 50 gm, nnnn tetramethyl p pheniline diaminedihydrochloride wursters reagent 25 gm, urea ar 500 gms, garbage bag, antiseptic lotion, sodium hydroxide 500gms, d- xylose 25 gm, onpg o nitrophenyl b-d galactopyranoside 50 gm, isoamyl alcohol 2.5 ltr, nigrosin solution10 per100 ml, india ink 100 ml, koh potassium hydroxidepellets 500 gm, alberts stain -a 500 gms, alberts stain -b500 gms, gram staining kit 6 set, zn staining kit 6 set, geimsa staining kit 3 set, potassium dihydrogen phosphate500 gms, sulfanilic acid, potassium nitrate 500 gms, alpha naphthylamine 500 gms, acetic acid glacial 2.5 ltr, p- dimethylaminobenzaldehyde 500 gms, sodiumdeoxycholate 100 gm, indol reagent kovacs 500 ml, methyl red powder 50 gm, alpha naphthol 500 gm, potassium iodide 500 gm, methyl alcohol 2.5 ltr, spirit 2.5ltr, toluidine blue 25 gm, amido black 25 gm, glycerol tributyrate, buffer tablets 50 gm, leishman stain 100 ml, nitro blue tetrazolium chloride nitro b.t. 2 gm, potassiumpermanganate 500 gms, ammonium per sulphate 500 gms, ammonium dihydrogen orthophosphate 500 gms, bile salt500 gms, cupric sulphate 500 gms, tris buffer 500 gms, magnesium citrate 500 gms, magnesium chloride 500 gms, potassium chromate 500 gms, potassium dihydrogenorthophosphate 500 gms, paraffin liquid 100 ml, ccl4carbon tetra chloride 500 ml, glutaraldehyde 500 ml, tween 80 500 ml, formalin 5 ltr, magnesium sulphate 500gm, silver nitrate 500 gms, ammonium bismuth 500 gms, mercuric chloride 500 gms, aesculin 5 gm, sodiumdeoxycholate 50 gm, lead acetate powder 50 gm, phenolred 100 gm, dulcitol 10 gm, coomarisic brilliant blue 10gm, bromothymol blue 50 gm, n-acetyl n- cystine 10 gm, adonite 10 gm, mellibiose 10 gm, cellibiose 10 gm, asparagine 10 gm, sodium carbonate 500 gms, polymyxinb-sulphate 10 gm, acriflavin 10 gm, l-ramhnose 50 gm, antimicrobial hand wash v2 q2, bio - medical wastecollection bags biohazard bags q2

corporations/Associations/Others

TRN :35914830 | 08 Dec, 2025

Tender Value : 0

Salem - Tamil Nadu

Tender for supply of sulphuric acid 450mt

corporations/Associations/Others

TRN :35904812 | 08 Dec, 2025

Tender Value : 0

Bastar - Chhattisgarh

Tender for gem bids for 1700186728 labchem 4 amino antipyrene c11h13n3o, 1700186716 labchem ammonium ferrous sulphate, 1700186714 labchem ammonium hydroxide nh4oh, 1700186713 labchem ammonium molybdate nh46mo7o, 1700182290 labchem glycerol c3h8o3, 1700268634 chemical kjeldahl tablets free o, 1700138803 nisp project material ortho phosphorica, 1700186541 labchem potassium dihydrogenkh2po4, 1700186583 labchem labolene cleaning r, 1700186694 labchem disodium tetra borat, 1700186696 labchem dipotassium hydrogen k2hpo4, 1700186580 labchem sodium hydroxide pel naoh, 1700186570 labchem sodium sulphate anhyhrous, 1700186562 labchem stannous chloride sncl2, 1700186687 labchem ethanol c2h6o, 1700303339labchem isopropyl alcohol blue, 1700096388 nispproject material manganous sulphat, 1700096403nisp project material mercuric sulphate, 1700071794 labchem methylene blue indicator 25 gms, 1700071777 labchem potassium hydroxide pellets500g, 1700093238 nisp project materialphenophthaline, 1700096406 nisp project materialsilver sulphate fo, 1700096397 nisp projectmaterial sodium azide, 1700186540 labchem sodiumcarbonate na2co3, 1700226790 labchem sodiumsulphite, 1700096448 nisp project material sodiumthiosulfate, 1700186569 labchem petroleum etherc6h12, 1700186561 labchem sulphuric acid h2so4, 1700271972 labware copper sulphate, 1700096412nisp project material potassium chloropl, 1700219800 labchem cobalt chloride, 1700219786labchem hydroxylamine hydroc, 1700271956labware 1 5 diphenylcar, 1700071796 labchem /bid number: gem/2025/b/6899752* /dated: 17-11-2025 & & / bid document1 / 52 & & /item categorymethyl orange indicator 25 gm sq, 1700205074 nispproject material sulfanilamide, 1700205080 nispproject material glucose, 1700096372 nisp projectmaterial magnesium chloride, 1700071803 labchemhydrogen peroxide, 1700385566 labware platinum-cobalt, 1700385565 labware nitrate standar na, 1700385564 labware nitrite standar, 1700385563labware calcium, 1700385562 labware ammoniastandar, 1700385561 labware phenol standard, 1700385560 labware residual free c, 1700385559labware total residual, 1700385558 labwaresulphate standa, 1700385557 labware sulphidestanda, 1700385556 labware phosphate stand, 1700385555 labware fluoride standa, 1700385554labware chloride standa, 1700385553 labwaresilica standard, 1700385551 labware sodiumstandard, 1700385550 labware lithium standar, 1700385549 labware potassium stand, 1700385547labware cyanide standar, 1700385546 labware oiland grease st, 1700385545 labware antimonystanda, 1700385544 labware arsenic standar, 1700385543 labware boron standard, 1700385583labware copper standard, 1700385576 labwarecadmium standar, 1700385580 labware chromiumstanda, 1700385579 labware lead standard s, 1700385578 labware mercury standar, 1700385577labware nickel standard, 1700385785 labware ironstandard s, 1700385574 labware manganese stand, 1700385573 labware selenium standa, 1700385572labware tin standard so, 1700385571 labwarevanadium standa, 1700385570 labware zincstandard s, 1700385569 labware hexavalent chro, 1700360166 labware glass microfibe gf, 1700360552labware filter paper grade 41

Central Government/Public Sector

TRN :35893535 | 08 Dec, 2025

Tender Value : 5.15 Lacs

Mumbai - Maharashtra

Tender for gem bids for formic acid ar, sodium nitrate ar, dichloromethane gc, acetone ar, trisodium phosphate ar, hydrochloric acid ar, sulphuric acid ar, isobutanol hplc, methylene blue ar, chromium trioxide ar, triethylamine hplc, methanol forgc, sodium lauryl sulphate ar, carbazole ar

Central Government/Public Sector

TRN :35894856 | 04 Dec, 2025

Tender Value : 0

Ernakulam - Kerala

Tender for construction of an additional sulphuric acid storage tank 8200 mt and associated facilities at fact wi, as per tender conditions. construction of an additional sulphuric acid storage tank 8200 mt and associated facilities at fact wi.

Central Government/Public Sector

TRN :35897384 | 05 Dec, 2025

Tender Value : 21.81 Lacs

Dehradun - Uttaranchal

Tender for gem bids for glucose reagent, urea reagent pack, creatinine, cholesterol, direct hdl cholesterol, triglyceride, ldh, bilirubin total plus direct reagent, total proteinreagent, albumin, sgpt alt reagent pack, sgot astreagent pack, gamma gt ggt reagent pack, alkaline phosphatase alp reagent pack, uric acid, ck-nac reagent pack 50 ml, ck-mb reagent pack, amylase reagent pack, lipase reagent pack, iron, calcium, inorganic phosphorus, caliberator forbiochemistry, biochemistry control 1, biochemistrycontrol 2, crp turbidimetry kit, aso, ra turbidimetrykit, liquicilin appt reagent, uniplastin pt regeant, calcium chloride for aptt reagent, coombs ahggrouping sera, anti abo grouping, widal antigen set, sle ana reagent pack, hcg pregnancy card, dengue kitns1 and igg igm, malaria antigen card, h c v card, h i v i and ii card, hbsag, syphilis card, typhoid igmigg card, troponine i t card, typhoid antigens.typhi s. paratyphi ty, h. pylori antigen stool kit, gramstain kit, zn acid fast afb kit, peptone water, paraffinwax 58-60 digree, xylene, eosin, giemsa stain, maygrunwalds stain for cytology study, iso propylalcohol propan 2 ol excelar, acetone ar, harrishematoxylin solution, papanicolou og6 solution, papanicolou ea-36 solution, dpx mountant fluid, fixation for pap smear, combi disc gn i 150mm ic003 1pk, combi disc gn ii 150mm ic008 1pk, combi disc gp i150mm ic002 1pk, combi disc gp ii 150mm de009 1pk, ppd vail mantoux test, toluene, voriconazole sensitivitydisc, ketoconazole sensitivity disc, sabouraud dextroaeagar, lieshmans stain reagent, macconky agar, nutrient agar

Related Sub Industries : Chemicals

List of acid Tenders

Tender for gem bids for sulphuric acid for bulk supply - factl q3

Tender for supply of sulphuric acid 450mt

Tender for gem bids for formic acid ar, sodium nitrate ar, dichloromethane gc, acetone ar, trisodium phosphate ar, hydrochloric acid ar, sulphuric acid ar, isobutanol hplc, methylene blue ar, chromium trioxide ar, triethylamine hplc, methanol forgc, sodium lauryl sulphate ar, carbazole ar

Tender for construction of an additional sulphuric acid storage tank 8200 mt and associated facilities at fact wi, as per tender conditions. construction of an additional sulphuric acid storage tank 8200 mt and associated facilities at fact wi.

Get Acid Tender Alert...

Related Sub Industries : Chemicals

State Tenders »

City Tenders »

Keyword Tenders »

Sector Tenders »

Ownership Tenders »

Indian Segment

Browse Tenders

Global Segment

Others

Get in touch with us