Henan Bright Commercial Co., Ltd.is with ISO9001 quality management system,all our products are manufactured by strict procedures. With the advanced test equipments in our Lab, all shipments are tested carefully before delivery to assure the quality consistency. The quality standard for each customer is established. All the sample and shipment lots have been filed detailed and be able to traced. Through many years of development, our company has become a large-scale enterprise with research, pro...