قرص دوار  شركات مصنعة، تجار، موردون، مزودو خدمات

22 years of one-stop serviceFocus on potentiometer, encoder, sensor, switch, integrated module solutions
Soundwell, the compiling manufacturer of national standards for potentiometer and industrial standards for encoder, is leading the industry with its rich project experience and strong production and research capabilities. Owning to our product diversification, Soundwell tops the industry with a total selection of over 70,000 different specifications.
Products are widely used in automotive electronics, white appliances, black appliances, smart home, electronic and mechanical equipment smart office equipment, audio and video equipment, smart medical, smart wearable and other fields.
The company can provide customized products and services for different customers, provide customers with one-stop solutions, to meet the needs of customers.

Shanghai Complee Instrument Co., Ltd.(short for Complee), is a member of National Standardization Committee for Electrical Meters & Instruments, is a leading manufacturer specializing in various kinds of electrical measuring instruments and current transformers and Hall Effect sensors.
In 1995, Complee was established in Zhejiang Province, and transferred its headquarter to Songjiang Technology Zone in Shanghai in 2004,with new factory area of 18000 m2 and workshop area of 10000m2. Complee has the excellent engineers and mould-making technicians team, which make a strong research and development ability. Complee own sound quality management system, manufacturing and quality control ability.
Complee has owned the ISO9001:2008, CE, CB and KEMA-KEUR certificates. Complee’s marine meters are conferred by Det Norske Veritas (DNV), Germanischer Lloyd (GL) and China Classification Society (CCS),and its explosion-proof meters has gained National PCEC Anti-explosion Certificate.
Complee has established a cooperative R&D and Sales relationship with companies from Germany, U.S.A. etc. Complee's products have been enjoying the lead both at home and abroad. Complee's panel meters conform to IEC60051, IEC61010,and Digital Parameter Meters conform to GB/T22264-2008,and the current transformers comply with IEC61869 and GB20840.KLY series which export to Germany are made according to DIN43700 and DIN61010.
Complee’s products are widely used in military, aviation, high-speed railway, subway, shipping, oil, chemical industry, welding, architecture, industrial equipment, transmission and distribution, etc. and gain high reputations and trust. Moreover, We are honored to be chosen by GMW, ABB and SIEMENS to be their supplier.
By adhering to “quality first, customer foremost”, Complee cordially serves its domestic and oversea markets to cast a well-known international brand “Complee” based on its consistent efforts for exploitation and innovation.