国产精品亚洲动态图_日韩av手机在线观看_国产尤物在线综合网_色综合综合热视频_成人最新av网站在线观看_AV在线国产电影_年轻的岳坶三浦惠理子_小强精品长篇肉辣文小说_亚洲日韩国产另类精品乱_日本电影三级一区

中文 | EN

2023-4-21

Bohai Drilling has drilled the deepest horizontal

On April 17th, news came from the First Drilling Company of Bohai Drilling Company that the Gao32
2023-3-31

Can stainless steel valves also rust?

For stainless steel, it is generally considered that it is not easy to rust, but in fact, stainle
2023-3-24

How should flange butterfly valves be selected?

Flange butterfly valves are mainly used in industrial production pipelines. Their main function i
2023-3-3

What is the difference between hard seal butterfl

Hard seal butterfly valve refers to the "hard seal" with metal materials or other hard materials
2023-2-24

Differentiation between knife gate valve and comm

Knife gate valve can only be used to cut off rather than to throttle, and gate valve can throttle
2022-12-16

Installation environment and maintenance precauti

Installation environment Installation environment: The butterfly valve can be used
2022-12-9

Causes of Rust on the Surface of Stainless Steel V

304 austenitic stainless steel (new standard 06Cr19Ni10 steel, old standard 0Cr18Ni9 steel) is wi
2022-11-18

The last line of defense for pressure relief valv

The installation of safety and relief valves in pressure vessels and the use of stop valves upstr

Page 7 / 14 total 107 records Frist | Previous | Next | Last

ABOUT US

Company profiles Honor Corporate culture Organizational Workshop

PRODUCTS

Ball valve Butterfly valve Plug Valve Hydraulic control valve API Valve

NEWS

Company News Industry News Technical knowledge

PROJECTS

SERVICE

Pre-sales service After-sale service oin us

+86-577-67353929

Sweep Mobile Access

Copyright©2020 Zhejiang Zhedong Valve Co., Ltd. Add: No.16 Zhoushan Road, Dongou Industrial Park, Oubei street, Yongjia County, Wenzhou City, Zhejiang Province E-mail: [email protected] ZheICP20028831 Technical support: Fengsheng Technology

Service Hotline: +86 577-67996666 67353521