国内外一级黄片免费视频,国产精品 成人在线,国产极品无码在线

響應國家號召，提升中國制造業的核心競爭力，把中國制造推向全球，我們中國要成為世界的創新和創造中心！
 

北京航化特種閥科技有限公司位于北京市延慶區中關村延慶園東環路2號樓，是一家專業從事特種閥門研發、設計、制造和維修的公司，總設計師、技術團隊成員均為航天某科研院所（前員工）及國內外知名閥門技術人員組成，公司技術先進，實力雄厚，擁有多種特種閥門專有技術閥門產品，為提升航化公司產品競爭力，保障產品交付能力，并吸收消化國內外先進特種閥設計理念，采用的專有加工設備和加工工藝，制造了多種特種閥產品，航化調節閥已成為多晶硅和煤化工行業優選產品之一，并成為合作研發共同體。依托各自的技術優勢，依靠技術創新，航化公司攻克了多項特種閥門制造技術難點，成功研發和制造了滿足工業發展需要的各種特種閥門，主要包括：特殊工況調節閥（氣固液三相流、高粘度流體、閃蒸工況、汽蝕工況等）、硬密封耐磨球閥、高頻球閥、閃蒸閥、圓盤閥、偏心旋轉閥、柱塞閥、軌道球閥，氣動偏心閥、三偏心蝶閥等產品。

Respond to the call of the state, enhance the core competitiveness of China's manufacturing industry, promote Chinese manufacturing to the world, we China to become the world's innovation and creation center!

Beijing Hanghua Special Valve Technology Co., LTD., located in Building 2, East Ring Road, Yanqing Yuan, Zhongguancun, Yanqing District, Beijing,  is a company specializing in the development, design, manufacturing and maintenance of special valves. The chief designer and technical team members are all composed of (former employees) from an aerospace research institute and well-known valve technicians at home and abroad.The company has advanced technology and strong strength, and has a number of special valve proprietary technologies and special valve products.In order to enhance the product competitiveness of the aviation and chemical company, ensure product delivery capabilities, and absorb and digest advanced special valve design concepts at home and abroad, proprietary processing equipment and processing techniques are used to manufacture a variety of special valve products. Aviation and chemical control valves have become the industry leader. It is one of the preferred products for domestic and large enterprises and has become a cooperative research and development  community.Relying on their respective technical advantages, relying on technological innovation, the company has overcome a number of special valve manufacturing technology diffi culties, successfully developed and manufactured a variety of special valves to meet the needs of industrial development, mainly including: Special condition control valve (gas-solid liquid three-phase flow, high viscosity fluid, flash condition, cavitation condition, etc.), hard seal wear-resistant ball valve, high frequency ball valve, fl ash valve, disc valve, eccentric rotary valve, plunger valve, track ball valve, pneumatic eccentric valve, three eccentric butterfl y valve and other products.