WuXi SenQian Mechanicl Instruments Co.Ltd  WuXi SenQian Mechanicl Instruments Co.Ltd is a high-tech enterprise which integrates optics, mechanism, electricity and software program. We are researching and producing the high quality products with reasonable price for our customers.       Guangdong Rational Precision Instrument Co., Ltd. is a high-tech enterprise which integrates optics, mechanism, electricity and software program. We are researching and producing the high quality products with reasonable price for our customers. We have passed ISO9001:2008 Certification and our major products have passed CE certification. Our products have been sold not only domestic b...[More]