Beijing Huanyang Yihai Tech Co., Ltd. is a professional manufacturer in Beijing. We have a team of technicians with many years of experience. We can provide good service for our customers with OEM services, the most popular style, the most competitive price and the best after-sales service. We were established on Oct. 10th, 2000. We have been doing business with many trading companies and foreign companies. We have set up 10 departments and we have 50 workers working in our quality control department, research & design department, production department, domestic sales department,...