- Tianjin Weiai chemicals co.,ltd
- Address:NO 3 Longchuan Road, Nankai District, Tianjin, China
- Sunny Titanium Dioxide Co.,ltd
- Address:stone turn
- Korea Chemlocus Chemicals Co. Ltd.
- Address:Danam Bldg 28th, Namdaemun-Ro 5Ga, Chung-Gu
- Tec Chemicals Corp.
- Address:rm. 100, lucky bldg, yong-kin dong, Songpa-ku
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