Thank you for visiting Semimaterials Inc. Semimaterials Inc. the name of which is an abbreviation of semiconductor materials, is established on purpose of supplying essential materials to semiconductor industry as ...

gas, related equipments and specialty chemicals. －－Our products includes: H318, H116, H14, H23, H32, H41, CO, Silane, Silane mixture, High-purity propane, Helium, Kr, Ar, ETO mixture, Ethylene, ...

CWSST is a Joint-venture of China Hua Wei and Macau China Win Universal The China Win group owns 4 hotels, 1 refinery, 2 petroleum gas warehouses and 1 trading company Total investment: RMB50,000,000 Production ...

SILANE, SILANE MIXTURE, HIGH-PURITY PROPANE, HELLIUM, Kr, ETO MIXTURE, ETHYLENE and so on. With the advanced analysis apparatus and technology imported from USA, we could analyze and strictly control the quality of our ...

GAS FOR ELECTRONICS: 1.1. Halocarbon Octafluorocyclobutane (C-318), Trifluoromethane (R23), Difluoromethane (R32), Fluorine in N2 with the purity of 3N, 4N and 5N. 1.2. 4N, 5N Silane 1.3. 4N Carbon ...