- Tianqiong
- Address:Hong Kong Hong Kong,
- Hongkong Kucco-Koul Dental Co.,Ltd
- Address:Minle Technology Park, Meiban Rd, Bao&＃39;an District, Shenzhen, Guangdong Shenzhen, Guangdong
- Nature Dental Laboratory Co.
- Address:Room 1101 Mega Trade Centre, No. 1 Mei Wan Street,, Tsuen Wan, NT, Hong Kong
- H And J Industrial Development Company Limited
- Address:ROOM 501,5/F,WAYSON COMMERCIAL BUILDING 28 CONNAUGHT ROAD WEST SHEUNG WAN, Hongkong, Hong Kong
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