Standard Couplings  Manufacturers, Traders, Suppliers

With more than 40 years experience, we are one of the leading suppliers of mechanical components for the servo drive industry. First, our couplings for drive technology and clamping elements for workpiece clamping set new standards in the market. Now, we developed a Motor-Safety System for spindle protection which emphasizes our high innovative capabilities.
We see ourselves as a driver of innovation for new technologies, using all product synergies of the JAKOB group.

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.

We bring movement to your drive.
CURRAX is drive technology and automation - with heart and soul. We don't just sell components, we work with our customers to design the optimum powertrain for their individual needs.
Technology is our passion. Large and small industrial machines our challenge. The perfect drive train is our answer.
As a SIEMENS Approved Partner Automation Drives and FLENDER Solution Partner, we offer industrial automation & drive technology from a single source: FLENDER gear units, FLENDER couplings, Siemens geared motors, electric motors and frequency inverters through to the entire Siemens drive train. Benefit from high delivery capacity, comprehensive product know-how, customer-specific modifications and a comprehensive range of services.
We are looking forward to your inquiry.

HANGZHOU YANHUAKE TRANSMISSION CO.LTD was built in year 1998, it has a superior geographical position as it is located in the economic and technological zone of Xiaoshan district,Hangzhou,and next to Xiaoshan International Airport.It is a modern joint-stock enterprise with research,manufacture,and trade in chain industry.It is a member of National Chain Drive Standardization Technical Committee, and China National Chain Industry Association.
With rapid growing, the producing capacity of our company now is 7 million pieces of chains per year. We own fixed assets of 50 million RMB, and cover an area of 60 thousand square meters, including 35 thousand square meters of plant construction area. We have around 400 staffs, incl.38 college graduates and 8 senior engineers.
The products we mainly have now are as below: A.B series roller chain&attachments, bush chain, double pitch chain and conveyor chain, motorcycle chain, automotive chain, leaf chain, accumulation chain,agricultural chain, stainless steel chain, hollow pin chain,and chains coated with zinc , nickel or dacromat....we are also providing conveyor chains with big pitch and many special chains according to customer’s requirements. We have more than 1000 varieties of product, and nearly 10 thousand items. Our products comply with GB, ISO and ANSI, JIS, DIN, BS standard, and the performance can reach to the requirements from Europe, America,or Japan. We are meeting customer’s requirements according to our idea of “developing through quality” and the JIT production mode.
Our company have scientific management,independent,innovation,advanced technology, sophisticated equipment , strict test,perfect process,good service,high credit and first-class quality.we have passed the authentication of ISO9002 quality system in year 2001, got ISO9001 quality system certification in year 2002, and ISO9002 quality system certification & Environmental Management System Certification in year 2004.we won reputations of Zhejiang high and new technology enterprise,Zhejiang high and new products, famous brand of Hangzhou, the first credit demonstration enterprises, etc.
Oriented toward the 21st century, our company has made a market developing plan and long-term developing plan, we are seeking more partners in the world, and want to have a win-win development with our customers, we are looking forward to work with a new attitude, a pioneering and constant innovation spirit,and forge ahead to create a promising future!

ISO/TS 16949:2009, ISO 9001:2008, ISO 14001:2004, ISO 14001:2004, DNV GL, DIN EN ISO 50001:2011