- Lianyungang Guoyi Quartz Products Co., Ltd.
- Address:NO.310FuhuaRoad,EconomicDevelopmentZone,Donghai Country
- Taixing Huaxia Instrumentation Factory
- Address:Ding Village Yuanzhu Town Taixing City Jiangsu China
- Haimen City Kahotest Citotest Labware Manufacturing Co., Ltd.
- Address:No.3265 Dagang Road,Sanhe Town,Haimen City,Jiangsu Province,China.
- Donghai Kaiwang Quartz Products Co., Ltd.
- Address:no.98 huanghe road , economic development zone , donghai county , china
- Biologix Plastics Co., Ltd.
- Address:Zouqu Village, Zouqu Town, Wujin District
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