Hangzhou Yeyi Trading Co.,Ltd has its own manuracture ZHEJIANG BAIQIANG TRANSMISSION INDUSTRY CO.,LTD. We professionally produce different kinds of transmission components, such as standard sprockets,taper lock sprockets, special sprockets, shafts, spur gears, and racks.
All our products are produced strictly as per ISO9001 quality standard and exported to more than 50 countries.
We have adopted advanced CAD and CAM methods for design and advanced heat treatment craft.
Our products meet such standards as ANSI, DIN and BS.