天津奕诚自行车业有限公司是制造（电动车链轮曲柄）专业化企业,年产量720万套，产品与国内名优企业配套。
产品品种有：电动车链轮曲柄，AB型圆孔，D型方孔等。
曲柄规格有：102mm,127mm，140mm,152mm,165mm,170mm.
链轮规格有：28T,31T,32T,33T,36T,38T,40T,42T,44T,46T,48T,52T等。
产品表面处理有：电镀、仿铝镀、银白、大银花、小银花、铜彩、闪金、红光金、银砂、黑高光、电泳漆及包塑等。
企业按国际标准组织生产制造，制造工艺优良，检测手段齐全，企业在研制新产品的领域中有更强的创新能力，使之不断完善。幷通过ISO9001：2008质量管理体系认证，来图来样制造，更多的满足各类用户的需求。
奕诚公司热忱欢迎各界人士的光临！
Brief Introduction
TianJian Yicheng Bicyle Co.Ltd.is a manufacturing company specializing in electric bicycle crank and sprocket.It has an annual production rate of 7.2 million units,which are compatible with products from other domestic companies.
Product variety includes electric bicycle crankand sprocket AB-type round hole,D-type square hole.
Crank specifications are 102mm,127mm,140mm,152mm,165mm,and70mm
Sprocketspecificationsinclude 28T,31T,32T,33T,36T,38T,40T,42T,44T,46T,48T,52T.
Surface treatment servicesinclude eletroplating,imitation of plating,imitation of plating aluminum,silver,large and small Yinhua,copper color,flash gold,silver sang,black hig-light,gel electrophoresis and plastic plating.
Yicheng man ufactures according to the international standard,Its products are high quality and are thoroughly tested,It has the recognition of ISO9001:2008 quality management system.It always seeks to improve and invent new products and adapt its products according to the needs of its clients.
Yicheng welcone the prblic to come and visit.