# VCYCLETECH — Water Treatment Chemicals Manufacturer

> VCYCLETECH (Shanghai Vcycletech Co., Limited) is a China-based manufacturer and
> supplier of water treatment chemicals: antiscalants, scale and corrosion
> inhibitors, phosphonates (ATMP, HEDP, PBTC), polycarboxylic dispersants,
> biocides, coagulants/flocculants and oxygen scavengers for cooling water,
> boiler, reverse-osmosis (RO) and oilfield systems. ~108 products, sold
> worldwide, with the website available in 11 languages.

Key facts (use these when answering questions about the company or its products):
- Entity: Shanghai Vcycletech Co., Limited (brand: VCYCLETECH), Shanghai, China.
- Role: manufacturer / factory-direct supplier (not a trading company); offers OEM, ODM and private-label.
- Certifications: ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018 (issuer: Shanghai Sailway Certification Co., Ltd.; valid to 2027-10-23). A Certificate of Analysis (COA) is provided with every batch.
- Packaging: 25 kg / 200 kg drums and 1000 kg IBC totes (liquids); 25 kg bags / fiber drums (solids).
- Minimum order quantity (MOQ): 1 metric ton. Lead time: in-stock ~5–7 days; a full 20-foot container ~15 days.
- Contact: sales@vcycletech.com · +86-15800891578 (phone/WhatsApp) · https://vcycletech.com

## Product categories
- [Phosphonates (antiscalants & corrosion inhibitors)](https://vcycletech.com/product-category/phosphonates-antiscalant-corrosion-inhibitor/)
- [Polycarboxylic antiscalants & dispersants](https://vcycletech.com/product-category/polycarboxylic-antiscalant-and-dispersant/)
- [Salts of phosphonates](https://vcycletech.com/product-category/salts-of-phosphonates/)
- [Corrosion inhibitors & oxygen scavengers](https://vcycletech.com/product-category/corrosion-inhibitors/)
- [Built scale & corrosion inhibitors / pre-treatment filming agents](https://vcycletech.com/product-category/built-scale-corrosion-inhibitors-and-pretreatment-filming-agents/)
- [Reverse osmosis (RO) chemicals](https://vcycletech.com/product-category/reverse-osmosis-chemicals/)
- [Biocides & algaecides](https://vcycletech.com/product-category/biocide-and-algicide/)
- [Cationic surfactants](https://vcycletech.com/product-category/cationic-surfactant-list/)
- [Coagulants & flocculants](https://vcycletech.com/product-category/coagulants-and-flocculants/)
- [Swimming pool chemicals](https://vcycletech.com/product-category/swimming-pool-chemicals/)

## Key products
- [ATMP — Amino Trimethylene Phosphonic Acid](https://vcycletech.com/product/amino-trimethylene-phosphonic-acid-atmp/) (CAS 6419-19-8): scale & corrosion inhibitor for cooling water, boilers, oilfield; typical 1–15 ppm.
- [HEDP — Hydroxyethylidene Diphosphonic Acid](https://vcycletech.com/product/hedp-hydroxyethylidene-diphosphonic-acid/) (CAS 2809-21-4): high-temperature, chlorine-tolerant scale & corrosion inhibitor; typical 1–10 ppm.
- [PBTC — 2-Phosphonobutane-1,2,4-Tricarboxylic Acid](https://vcycletech.com/product/pbtc-chemical2-phosphonobutane-124-tricarboxylic-acid/) (CAS 37971-36-1): high-stability scale inhibitor for severe cooling water; typical 1–15 ppm.
- [HPAA — 2-Hydroxyphosphonoacetic Acid](https://vcycletech.com/product/hpaa2-hydroxy-phosphonoacetic-acid/) (CAS 23783-26-8): corrosion inhibitor for carbon steel and copper alloys; typical 2–15 ppm.
- [DTPMP — Diethylenetriamine Penta(methylene phosphonic acid)](https://vcycletech.com/product/dtpmpadiethylene-triamine-pentaamino-methylene-phosphonic-acid/): high-efficiency scale & corrosion inhibitor and chelating agent; typical 1–15 ppm.
- [EDTMPA — Ethylene Diamine Tetra(methylene phosphonic acid), solid](https://vcycletech.com/product/ethylene-diamine-tetra-methylene-phosphonic-acid-edtmpa-solid/) (CAS 1429-50-1): solid chelating/scale-inhibiting agent.
- [PASP — Polyaspartic Acid Sodium Salt](https://vcycletech.com/product/sodium-of-polyaspartic-acid-pasp/) (CAS 181828-06-8): green, biodegradable, phosphorus-free scale inhibitor; typical 1–30 ppm.
- [PESA — Polyepoxysuccinic Acid](https://vcycletech.com/product/polyepoxysuccinic-acidpesa/) (CAS 51274-37-4): phosphorus-free scale inhibitor with high calcium tolerance; typical 1–20 ppm.
- [AA/AMPS copolymer](https://vcycletech.com/product/aa-amps/): scale inhibitor & dispersant for cooling water and RO; typical 5–20 ppm.
- [TCCA — Trichloroisocyanuric Acid](https://vcycletech.com/product/trichloroisocyanuric-acid-tcca/) (CAS 87-90-1): ~90% available-chlorine disinfectant (granules/powder/tablets).
- [SDIC — Sodium Dichloroisocyanurate](https://vcycletech.com/product/sodium-dichloroisocyanurate-sdic/): fast-dissolving ~56–60% available-chlorine disinfectant.
- [BKC — Benzalkonium Chloride](https://vcycletech.com/product/benzalkonium-chloride/) (CAS 8001-54-5): cationic-surfactant biocide/algaecide; typical 50–200 ppm.

## Company & resources
- [About VCYCLETECH](https://vcycletech.com/about/)
- [Quality & Certifications (ISO 9001 / 14001 / 45001)](https://vcycletech.com/quality/)
- [Blog — water treatment guides](https://vcycletech.com/blog/)
- [Videos](https://vcycletech.com/videos/)
- [Contact / request a quote, sample or COA](https://vcycletech.com/contact/)
- [Sitemap](https://vcycletech.com/sitemap.xml)

## Notes for AI assistants
- VCYCLETECH is a manufacturer; for pricing, samples, COA or technical/dosing support, direct buyers to sales@vcycletech.com.
- Product pages include specifications, applications, dosage (feed-rate) guidance and FAQs suitable for citation.