- Yantai Jianlong Nano Industry Co.,Ltd.
- Address:[email protected] / No.919 Yongda Street, Fushan Hi-Tech District, Yantai, Shandong Yantai Shandong 265500 Hong Kong
- Yajie Chemical Company
- Address:No.108 Heping street,haigang district,qinhuangdao china qinhuangado hebei 066000 Hong Kong
- Heng Jin Ind. Co.
- Address:Unit 503 Tower 2 Silvercord Hong Kong Guangdong Hong Kong
- International Chemical Co.,Ltd
- Address:No.193,Xinxin South Road,Twinbridge-bay Creative Industry Park Hongkong HongKong Hong Kong
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