Zhejiang Zhenggong Industrial Co., Ltd. is located in Longwan District of Wenzhou City Road No. 2300, the company was founded in 1993, has 20 years of experience in the production of valves. The company mainly produces heating pipe valves: plunger valve, one type high temperature ball valve, check valve, cut-off valve, gate valve, piston valve and other series of products...
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The high temperature ball valve is a metal seal structure, the sealing form is metal to metal seal, metal seal ring can be changed to metal seal, stainless steel plate and graphite composite plate sea
MORE+>The high temperature ball valve is a metal seal structure, the sealing form is metal to metal seal, metal seal ring can be changed to metal seal, stainless steel plate and graphite composite plate sea
The plunger valve is composed of the valve body, the valve cover, the valve stem, the plunger, the hole frame, the seal ring and the handwheel. When the handwheel is rotated, the valve is opened and c
Zhejiang Zhenggong Industrial Co., Ltd. was established in 2004, is a high-quality enterprise integrating research, development, production, sales as one of the professional production of energy-savin
Zhejiang Zhenggong Industrial Co., Ltd. was established in 2004, is a high-quality enterprise integrating research, development, production, sales as one of the professional production of energy-savin
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