... : WN, SO, SW, TH, BL We Zhejiang Chaowei New Material Co.,Ltd are profesional manufacturer of high quality Nickel Alloy flanges, used ... for further information.Zhejiang Chaowei New Material Co.,Ltd128, Houzhang Rd, Longwan Central Industrial ParkWenzhou City, Zhejiang Prov, 32500, P.R.ChinaTel ...