NANHAO GROUP is established in 1995, which was named National Emphasis New Technology Enterprise by Ministry of Science and Technology. NANHAO is composed by NANHAO Optical Mark Reader Co., NANHAO....
Dear Purchasing Manager: How do you do? As an ISO 9001 certifed leading manufacturer of high-grade dyes and optical brighteners in China, We want to know if you need our products Our core products....