重庆川仪调节阀有限公司是“重庆市高新技术企业 ”，专业生产高性能的CV3000系列调节阀及附件（1992年引进日本山武株式会社设计制造技术）。直通类调节阀：单座调节阀、笼式阀、低噪音阀、高压阀、波纹管调节阀；旋转类调节阀：凸轮挠曲阀、蝶阀、精小型球阀；特殊类调节阀：黑水阀、三通阀、角型阀、文丘里阀、高压差阀、低温阀、保温阀、衬塑阀、陶瓷阀、放料阀、自力式阀；附件：阀门定位器、转换器、加速器、保位阀、多功能活塞式执行机构、手轮机构等55个系列，12种附件，4000多个品种规格的产品；CV3000国产化项目，1996年列为国家火炬项目。在吸收国外先进技术的基础上，不断创新，自行开发CV3000系列电动调节阀（1998年被评为国家级新产品）、HCP笼式单座调节阀、高性能蝶阀、高压角型调节阀、笼式角型调节阀、衬塑阀、陶瓷阀、放料阀、黑水阀、迷宫阀、多级降压调节阀；1999年与四联技术中心共同开发了HVP智能阀门定位器，拥有自主知识产权，2002年批量投入市场，用户反应效果良好。

Chongqing Chuanyi Regulating Valve Co., Ltd. is a high-tech enterprise in Chongqing. It specializes in the production of high-performance CV3000 series regulating valves and accessories (introduced from Japan Yamamoto Corporation in 1992). Straight-through regulating valves: single-seat regulating valve, cage valve, low-noise valve, high-pressure valve, bellows regulating valve; rotary regulating valve: cam flexure valve, butterfly valve, fine small ball valve; special regulating valve: black water valve, three-way valve, angle valve, venturi valve, high-pressure differential valve, low-temperature valve, insulation valve, liner valve, ceramic valve Accessories: 55 series of valve positioners, converters, accelerators, retaining valves, multi-functional piston actuators, handwheel mechanisms, 12 kinds of accessories, more than 4000 kinds of products; CV3000 domestic projects, listed as the national torch project in 1996. On the basis of absorbing foreign advanced technology and innovating continuously, CV3000 series electric regulating valves (which were awarded as national new products in 1998), HCP cage type single seat regulating valves, high performance butterfly valves, high pressure angle regulating valves, cage type angle regulating valves, plastic lining valves, ceramic valves, discharging valves, black water valves, labyrinth valves and multi-stage valves were developed by ourselves. Hypotension regulator valve; In 1999, HVP intelligent valve positioner was developed jointly with Quadruple Technology Center. It has independent intellectual property rights. In 2002, it was put into the market in batches, and the response of users was good.