无码人妻久久久一区二区三区-女人被男人躁得好爽免费视频-国产日韩在线时看高清视频-91娇喘????白丝动漫-久久婷婷五月综合色精品

Our Products

Hugong Valve

Hugong Valve

Our Products

THE FIRST-CLASS QUALITY, EXCELLENCE BRAND, LEADINGTHE MARKET AND SATISFY THE CUSTOMER.
Butterfly valve, also known as flap valve, is a simple regulating valve. It can be used in low pressure pipeline. The butterfly valve with switch control is a closed valve (disc or butterfly plate), which is opened and closed by rotating around the valve shaft.
The ball valve is mainly used for cutting, distributing and changing the direction of flow in the pipeline. It only needs to rotate 90 degree operation and small moment of rotation to close.

The gate valve is a shutter with opening and closing parts. The movement direction of the shutter is perpendicular to the direction of fluid. The gate valve can only be fully opened and closed, and cannot be adjusted or throttled.
The control valve is also known as the control valve. In the field of industrial automation process control, it controls the final control elements of medium flow, pressure, temperature and liquid level by adjusting the output control signal of the control unit and by means of power operation.


Modernized equipment, specialization / refinement / high quality
The company has CNC machine tools, large vertical lathes and other processing equipment, heat processing equipment, inspection equipment and auxiliary equipment. The testing equipments include radiographic flaw detector, magnetic particle detector, cryogenic treatment equipment, direct reading spectroscopic analyzer, material chemistry analyzer, etc.



Meticulous selection of products and perfect after-sales service system
The main products of the company are gate valve, cut-off valve, check valve, ball valve, butterfly valve, regulating valve, hydraulic control valve and a variety of special valves. The products are: carbon steel, stainless steel, alloy steel and other special materials. The valves produced by our company are widely used in petrochemical, petroleum, chemical and power stations all over the country.  

Engineering

Case

Case

Engineering

About Hugong

Introduce

Introduce

About Hugong


The main products of the company are gate valve, globe valve, check valve, ball valve, butterfly valve, control valve, hydraulic control valve and a variety of special valves.

Shandong Hugong Valve in 2009 successfully transformed, is a company with a history of more than 10 years of large valve manufacturers, Shandong Shanghai Valve Company since the full implementation of modern enterprise management system, the spirit of "science and ...
主站蜘蛛池模板: 中文字幕无码人妻aaa片| 精品午夜国产福利在线观看| 18水蜜桃?大黄瓜勒| 亚洲美女做爰av人体图片| 亚洲区少妇熟女专区| 无码中文字幕乱码一区| 婷婷久久综合九色综合| 中文字幕在线无码一区二区三区| 亚洲日韩国产一区二区三区| 在线看午夜福利片国产| 国产高清成人免费视频在线观看 | 2018高清国产一区二区三区| 国产亚洲欧美日韩亚洲中文色| 国产熟妇的荡欲午夜视频| 人妻三级日本三级日本三级极| 秋霞无码久久一区二区| 久久无码免费的a毛片大全| 亚洲不乱码卡一卡二卡4卡5卡 | 又爽又黄又无遮挡的视频| 性色做爰片在线观看ww| 亚洲一区二区三区播放| 国产极品粉嫩福利姬萌白酱| 无码人妻一区二区三区精品视频 | 老汉色老汉首页a亚洲| 50岁熟妇大白屁股真爽| 国产成人av一区二区在线观看| 成人色视频| 亚洲毛片αv无线播放一区| 人人妻人人妻人人人人妻人人| 精品无人区卡卡二卡三乱码| 亚洲人成小说网站色| 国产精品18禁污污网站| 亚洲成aⅴ人片在线观| 国产办公室秘书无码精品99| 成年无码a√片在线观看| 亚洲日韩va在线视频| 午夜福制92视频| 亚洲综合色在线视频www| 丰满少妇被猛男猛烈进入久久 | 很黄很色很污18禁免费| 国产精品亚洲a∨天堂|