Wenzhou Laihua International Trade Co., Ltd. is located in the "hometown of pump and valve in China" Wenzhou City, we are international business company invested and built by six valves, pipe, pipe fittings manufacturers

China Lianggong Valve Group Co., Ltd. ( Which is famous brand in China and have more than 20 years experience in this in this field. ); Lianggong Valve Group Zhejiang Daye Flange Co. Ltd.; wenzhou Qianling Pipe Valve Fitting Co., Ltd. our products are kinds of industrial&Sanitary valves and stainless steel flanges, stainless steel pipe fittings which produced by our advantage is good quality products, good service and suitable price.

Product Range

Valves: (Handle, Pneumatic, Electric) Gate, Globe, Check, Ball, Plug, Butterfly valves & Strainer etc. Available standard include ASTM, ASME, ANSI, API, BS, DIN standard etc. Size range from 1/2''-72'(DN15~1800), Class rating from 150lbs to 2500lbs(PN20~420), Available material: Carbon steel, Alloy steel, Stainless steel, Duplex stainless steel, Special alloy steel like Monel, Inconel etc. Working temperature range from -196~650.

Flanges: Loose Flange, Plate Flange(PL), Slip-on Flange(SO), Welding-Neck Flange(WN), Threaded Flange(TH), Blind Flange, Lapped Flange etc.

Material: Stainless steel, Duplex&super duplex steel, Monel, Inconel, Incoloy, Hastelloy, Titanium alloy, CuNi alloy, Other materials etc.

Capacity: NPS1/2 ~104, Class150~6000

Standard: ASTM B16.5, B16.47, B16.48, AWWS, API, API605, MSS SP-44, DIN, JIS, AS2129, BS4504-3.1, ISO7005-I etc.

Pipe Fittings: Elbow, Tee, Lap Joint, Coupling, Reducer, Caps, Nipple

Material: Stainless Steel: ASTM A403 WP304, 304L, 310, 316, 316L, 321, 347, 904L

Carbon Steel: ASTM A234 WPB, WPC ASTM A105 WPHY 42, 46, 52, 56, 60, 65, 70, 80

Alloy Steel: ASTM A234 WP1, WP5, WP9, WP11, WP22, WP91 Low Temperature: ASTM A420 WPL 1, WPL 3, WPL 6

Standards: ANSI, ASTM, DIN, JIS, BS, ISO, GB, SH, AND HG etc

Industrial Valves

Stainless Steel Flanges

Stainless Steel Pipe Fittings