Shanghai Frost Heng Valve Manufacturing Co., Ltd. ye ɣän ye kek looi në 13,000 m2, ku ye wëu ye kek gɔ̈ɔ̈r në 6 million. Kä ye kek looi aye kä ye kek looi: gas emergency cutting valve, liquid ammonia emergency cutting valve, pneumatic emergency cutting valve, pneumatic three-section ball valve, stop valve, stop back valve, butterfly valve, ball valve, glasses valve, regulating valve, filters, ku jɔl ya kä juëc ye kek looi. Kɔc tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈ Kɔmpaniɛ tɔ̈u yen tɔ̈u yen tɔ̈u yen tɔ̈u yen tɔ̈u yen tɔ̈u yen tɔ̈u yen tɔ̈u yen tɔ̈u yen tɔ̈u yen tɔ̈u yen tɔ̈u yen tɔ̈u yen tɔ̈u yen tɔ̈u yen Kɔmpaniɛn dɛ tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈ Kä ye kek looi aye kek looi në GB, JB, HG ku ANSI, API, BS UK, JIS Japan, DIN Germany. Company adhere to the production of "pragmatic, innovative" philosophy, service "honesty, four stars" philosophy, will continue to apply new technologies, new processes, new materials, actively developing new valve varieties, to provide many users with better quality products and sincere, intimate, saving heart, reassuring "four stars" services. Company adhere to the production of "pragmatic, innovative" philosophy, service "honesty, four stars" philosophy, will continue to apply new technologies, new processes, new materials, actively developing new valve varieties, to provide many users with better quality products and sincere, intimate, saving heart, reassuring Aw ye raan dɛ̈t ye raan dɛ̈t ye raan dɛ̈t ye raan dɛ̈t ye raan dɛ̈t ye raan dɛ̈t ye raan dɛ̈t ye raan dɛ̈t ye raa