ZHEJIANG HAISHENG JINHUAN MACHINE

Jinhuan now boasts floor space of 24,000 square meters, a plant area of 8,600 square meters, CNC ring rolling machine, large forging equipment, machinery processing equipment, detection equipment, 2 engineers, 4 assistant engineers, 7 professional technicians and 82 employees.　our products include welded flange, neck flange, welding neck flange, loose flange, convex flange, and flange cover (Specifications: DN10～DN3000; Nominal Pressure: PN0.25mpa～PN32mpa). Our raw materials involve Q235, 20#, 16Mn, 304, 321, 304L, 316, 316L, etc. There are steel impression marks of material quality, standard code, specifications and pressure, as well as a Quality Warranty and Certificate of Approval for each piece of flange. Our executive standards include JB/T74 86 and JB4700 JB4707-2000 standards for the Ministry of Machinery, HG20592～20626-1997 standard for the Ministry of Chemical Industry, national standard GB/T9112～9124-2000, American standard ANSI B16.5, German standard DIN, and Japanese..

Also known as: Zhejiang Haisheng Jinhuan Machine Co.,Ltd