... We Zhejiang Chaowei New Material Co.,Ltd are profesional manufacturer of high quality Nickel Alloy flanges, used in various industry like Chemical ... MSS SP44 AWWA C207Welcome to contact us for further information.Zhejiang Chaowei New Material Co.,Ltd128, Houzhang Rd, Longwan ... Central Industrial ParkWenzhou City, Zhejiang Prov, 32500, P.R.ChinaTel: +86-577-8588-8800 ...