CNOOC-Shell Petrochemicals Company Limited.

Zhuhai BP chemicals Company Limited

Bridgestone Synthetical Rubber (Huizhou) Company Limited

Bayer Material Science Guangzhou Company Limited

BASF Applied Chemistry (China) Co., Ltd.

Swire Guangdong Coca Cola Huizhou Company Limited

Puratous Food Guangzhou Company Limited

International Flavor and Fragrances China Company Limited

Inspection and maintenance engineering