Chunwang Environmental Protection Technology Co., Ltd
a) Electronics, PCB
b) Optical components, synthetic material, organic materail
d) Bulk packaging, preservation packageEstablished in 1998, Chunwang is well-known as one of the leading manufacturers and suppliers of 4 dots high quality hottest humidity indicator card in China. During the past two years, we have introduced advanced equipment and technology into our factory. Please be free to buy our cheap products made in China.