国产91在线观看丝袜,国产精品高潮呻吟,国产毛片高清,亚洲免费在线观看av,久久精品天堂,国产网址在线观看,日本一二三区高清,国产免费a级
            11 12 13 14
            About us

            Overview

            Shuangheng Valve Group Co., Ltd located in Jinshan Industrial District, Shanghai, is mainly specialized in research and development of general and large diameter valves which are used in high-temperature, high-pressure, ultra-low temperature and other special working conditions. Shuangheng Valve with more than RMB 200 million registered capital paid has been engaged in the valve trade for many years. The Company focuses on improving the manufacturing and innovation abilities of special valves used in harsh working conditions and committing to provide customers with a complete set of fluid control solutions. The Company is a large-scale valve company with a collection of scientific research, development, testing, manufacturing and sales.

            For the products, the Company has mainly six categories and more than 1,000 specifications. On the basis of conventional valves, dozens of patented high-end special valves have been designed, including high pressure hydrogen valve, special cryogenic valve, high temperature and high-pressure oxygen valve, natural gas control valve, molten salt valve, pigging launcher receiver valve, hard-fault hard ball valve, low-temperature open spherical gate valve and emergency shut-off valve. The special valves produced are widely used in the harsh industrial environment, in which the working condition can reach up to 1000℃ high temperature, 4500LB high pressure, -196℃ ultra-low temperature or high granules (such as mining industry, coal chemical industry, chemicals, and other granule transporting site). The main materials used are: cast iron, carbon steel, forged steel, stainless steel, chromium molybdenum steel, low temperature steel, dual phase steel, Hastelloy C, Monel etc. The products cover a wide range of industries including chemicals, coal chemicals, power plant, metallurgy, heating power, LNG, paper-making, water conservancy, building, fire protection and other industries.

            The Company has a good enterprise standard management system and modern electronic detection systems and uses resource management system and ERP system to manage the factory to realize the production professional, automated and standardized. The Company insists on scientific and technological innovation as an important goal of enterprise development, set up Valve R&D center, three-dimensional simulation manufacturing design system, valve inspection center and special valve testing platform like hot state test for high-temperature valves and subzero test for cryogenic valve and cooperates with East China University of Science and Technology(ECUST) for long-term R&D, which continuously optimizes the product structure and performance and guarantees the quality and speed of high-end special valve R&D production.

            The Company had the honor to win the Shanghai Famous Brand, Shanghai Top 100 Private Enterprises, Specialized New Enterprise of MIIT, Shanghai High-tech Enterprise, Shanghai Specialized New Enterprise, Shanghai Municipal Enterprise Technology Center,Shanghai Jinshan Expert Workstation, Gazelle Enterprise of Jinshan Shanghai, Patent Demonstration Unit of Jinshan Shanghai, Technology Standardization Test Unit of LNG Cryogenic Valves for Storage and Transportation, etc. Meanwhile the Company obtained the special equipment manufacturing and production license "TS A1/A2/B", China Compulsory Certification, Sanitary Permit for Products Involving Safe Drinking Water, API6A/API6D/API600/API602 Certifications, API Fire Test Certificate, SIL 3 Functional Safety Verification, the European Union CE Certification, Russia EAC Certification, Germany TUV Certification, IS09001 International Quality System Certification, ISO14001 Environmental System Certification, ISO045001 Occupation Management System Certification, ISO10012 Measurement Management System Certification, Epec Product Quality Certification of Sinopec, AAA Credit Enterprise Certificate, Contract Trustworthy Company, etc.

            At the same time, the Company becomes qualified network supplier of Sinopec, PetroChina, CNOOC, CNAF, CNNC, China Energy, ChemChina, China National Chemical Industry, Power China, CEEC, CWE, China Three Gorges Corporation Baowu Group, HBIS, Shougang Group, Ansteel, Shagang Group, China Minmetals Corporation, CREC, CSCEC, CCCC, CSIC, China North Industries Group, China Paper, China Coal, China Gas, Enn Group, China Resources, Hangzhou Oxygen Plant Group, China Huanqiu Constructing & Engineering, China Tianchen, Sedin Engineering, East China Engineering Science & Technology, Wuhuan, Hualu Engineering & Technology, Water Authorities around China, Thermal Group and other large groups.

            The Company actively participates in the Economic Development of One Belt and One Road advocated by the state and products are exported to over dozens of countries and regions such as Europe, North America, the Middle East, Southeast Asia and Africa. High-quality products and efficient after-sales service have won praise and trust from customers at home and abroad. The Company adheres to the enterprise spirit of "Harmonious, Modest, Truth-Seeking, Pragmatic and Innovative" and the business philosophy of “Market-Center” to constantly provide the customers with good services.

            Shuangheng Valve Group sincerely invites all users to work together for mutual benefit and win-win cooperation!

             

            ShuangHeng Valve Group Co., Ltd

            ADD:No. 398, Jinbai Road, Jinshan District, Shanghai, China

            ZIP:201506

            TEL:+86-021-67225888

            FAX:+86-21-67276959

            Email:sales@zgshfm.com


            Copyright 2010-2025 ShuangHeng Valve Group Co., Ltd. All Rights Reserved 備案鏈接 滬ICP備18038463號
            主站蜘蛛池模板: 午夜av男人的天堂| 在线中文字幕一区| 爱看av在线入口| 国产午夜精品理论片| 日韩久久精品一区二区三区| 亚洲国产精品国自产拍久久| 国产无套精品久久久久久| 狠狠躁夜夜躁xxxxaaaa| 国产亚洲综合一区二区| 亚洲二区在线播放视频| 91国偷自产中文字幕婷婷| 国产一级一区二区三区| 亚洲欧美日韩一级| 国产999在线观看| 国产极品一区二区三区| 国产乱人伦精品一区二区三区| 高清国产一区二区三区| 国产乱人乱精一区二视频国产精品| 国产经典一区二区| 亚洲精品一区二区三区98年| 日本亚洲国产精品| 午夜影院你懂的| 精品久久久久一区二区| 激情久久综合| 日韩欧美中文字幕精品| 国产精品偷乱一区二区三区| 国产91丝袜在线熟| 国产精品视频1区| 亚洲精品中文字幕乱码三区91| 国精产品一二四区在线看| 亚洲区在线| 神马久久av| 国产一区正在播放| 麻豆国产一区二区| 四虎国产永久在线精品| 亚洲精品91久久久久久| 久久99久久99精品蜜柚传媒| 国产精品美女一区二区视频| 精品久久9999| 国产精品日韩高清伦字幕搜索| 午夜裸体性播放免费观看| 欧美日韩国产色综合视频| 国产69精品久久99不卡免费版| 国产欧美一区二区三区在线播放| 欧美在线免费观看一区| 制服丝袜亚洲一区| 乱子伦农村| 欧美一区二区三区久久精品视 | 国产在线视频二区| 午夜看片网站| 久久久久久久亚洲国产精品87| 日韩精品一区二区中文字幕| 在线视频国产一区二区| 日韩av在线影视| 91高跟紫色丝袜呻吟在线观看| 欧美在线视频精品| 国产精品九九九九九九九| 午夜免费片| 精品国产九九九| 精品午夜电影| 国产69精品久久久久999天美| 欧美大成色www永久网站婷| 国产精品日韩视频| 国产精品久久久久99| 挺进警察美妇后菊| 国产午夜亚洲精品羞羞网站 | 国产精品国产三级国产专区51区| 久久综合国产伦精品免费| 亚洲欧洲精品一区二区三区不卡| 少妇久久免费视频| 国产一区二区三区小说| 欧美日韩一二三四区| 亚洲影院久久| 四虎国产永久在线精品| 一区二区三区欧美视频| av午夜影院| 国产一级不卡视频| 一区二区免费播放| 午夜av片| 国内少妇自拍视频一区| 欧美精品日韩一区| а√天堂8资源中文在线| 亚洲天堂国产精品| 国产一区二区精品在线| 91麻豆文化传媒在线观看| 国产在线观看免费麻豆| 色乱码一区二区三区网站| 92久久精品| 国产精品一二三区免费| 国产精品入口麻豆九色| 精品免费久久久久久久苍| 91国产一区二区| 中文字幕av一区二区三区高| 亚洲va久久久噜噜噜久久0| 精品91av| 李采潭伦理bd播放| 日本精品一区二区三区在线观看视频 | 欧美日韩国产精品综合| 日韩精品一区二区三区中文字幕| 精品无码久久久久国产| 欧美三级午夜理伦三级中视频 | 亚洲精品20p| 国产精品一区一区三区| 久久激情网站| 69精品久久| 国产亚洲精品久久777777| 国产区精品| 午夜免费一级片| 欧美日韩中文国产一区发布| 亚洲精品一区二区三区98年| 国产欧美一区二区三区在线| 日韩欧美国产另类| 日韩av免费网站| 午夜毛片在线看| 日本一二三不卡| 国产精品日本一区二区不卡视频| 夜夜夜夜夜猛噜噜噜噜噜gg| 香港日本韩国三级少妇在线观看| 日韩精品一区三区| 国产91热爆ts人妖在线| freexxxx性| 国产精品视频1区| 一区二区三区香蕉视频| 久久久久亚洲| 99精品视频免费看| 久久一区欧美| 97国产精品久久| 国产精品乱码一区二区三区四川人 | 日本黄页在线观看| 中文字幕欧美一区二区三区| av国产精品毛片一区二区小说| 国产精品一区二区麻豆| 91精品国产综合久久国产大片| 国产.高清,露脸,对白| 日韩精品一区在线观看| 日本美女视频一区二区三区| 91嫩草入口| 国产激情视频一区二区| 亚洲午夜精品一区二区三区| 国产1区2| 狠狠躁夜夜av| 91精品婷婷国产综合久久竹菊 | av午夜在线| 91超碰caoporm国产香蕉| 国产欧美日韩综合精品一| 99久久婷婷国产精品综合| 91秒拍国产福利一区| 小萝莉av| 午夜影院毛片| 国产区一区| 国产中文字幕一区二区三区| 久久亚洲精品国产日韩高潮| av午夜在线| 国产精品一区二区毛茸茸| 国产精品久久久视频| 亚洲乱视频| 日韩毛片一区| 日韩av在线高清| 久久久久久久国产| 日日夜夜精品免费看| 91婷婷精品国产综合久久| 国模精品免费看久久久| 欧美一区二区三区爽大粗免费| 香蕉av一区二区三区| 欧美中文字幕一区二区| 午夜伦情电午夜伦情电影| 国产一区二| 鲁一鲁一鲁一鲁一鲁一av| 亚洲国产精品一区二区久久hs| 日韩av不卡一区二区| 高清国产一区二区三区| 国产69精品久久99的直播节目| 国产精品久久久久久久久久久久久久久久| 亚洲视频精品一区| 99爱精品在线| 中文字幕一区二区三区免费视频| 久久艹国产精品| 国产欧美日韩va另类在线播放| 99久久婷婷国产亚洲终合精品| 国产69精品久久99的直播节目| 欧美日韩九区| 精品一区欧美| 国产高清在线一区| 久热精品视频在线| 麻豆精品久久久| 午夜色大片| 国产99久久久精品视频| 欧美精品免费视频| 99精品偷拍视频一区二区三区| 国产电影精品一区| 国产超碰人人模人人爽人人添| 国产一区激情| 99国产伦精品一区二区三区| 国产一二三区免费| 日韩av在线影院| 精品国产免费久久| 艳妇荡乳欲伦2| 国产精品视频一区二区在线观看| 国产一区二区电影在线观看| 国产亚洲精品久久777777| 久久一级精品| 国产乱码精品一区二区三区中文| 国产精品美女久久久免费| 精品国产亚洲一区二区三区| 91一区二区三区久久国产乱 | 免费看性生活片| 日韩国产精品一区二区| 国产一区亚洲一区| 狠狠色噜噜狠狠狠狠视频| 日韩av不卡一区二区| 国产精品视频久久| 国产在线拍揄自揄拍| 玖玖精品国产| 久久影视一区二区| 国产欧美一区二区精品婷| 国产一区第一页| 精品视频久| 香港三日三级少妇三级99| 中文字幕一区二区三区乱码| 国产精品区一区二区三| 久久一区欧美| 国产69精品久久| 亚洲三区二区一区| 国产97久久| 精品一区二区三区自拍图片区| 国产欧美一区二区在线观看| 丝袜脚交一区二区| 午夜情所理论片| 国产乱码精品一区二区三区中文| 欧美中文字幕一区二区三区| 中文字幕一级二级三级| 99国产精品丝袜久久久久久| 国产精品色在线网站| 国产在线拍偷自揄拍视频 | 狠狠躁夜夜躁xxxxaaaa| 九九精品久久| 亚洲麻豆一区| 在线精品一区二区| 日本少妇一区二区三区| 日本一区二区三区免费视频| 欧美色综合天天久久综合精品| 一区二区午夜| 蜜臀久久99精品久久久久久网站| 91波多野结衣| 亚洲乱小说| 午夜大片男女免费观看爽爽爽尤物 |