Zong Ying Si

Shandong Luxin High-Tech Industry Co., Ltd. manufactures abrasive materials and equipment. Its products include high chromium corundum, ceramic corundum, white corundum, and grinding wheels. The company was founded in 1950 and is headquartered in Zibo, China.

Weifang Shengda Technology Inc. Co. Ltd. engages in the research and development, production and sales of peelable protective film and pressure- sensitive adhesive and base film. Its products include electronic release film, home appliance protective film, building materials protective film, laser cutting film, PE electrostatic film, liquid protective film, and pressure sensitive adhesive. The company was founded on November 3, 1998 and is headquartered in Weifang, China.

Pingyuan Xinda Chemical Co., Ltd. engages in the research, development, manufacture, and sale of fine chemicals and custom chemicals. Its products include chlorinated ester, dye intermediates, acyl chloride, pharmaceutical intermediates, isocyanate, ultraviolet absorber chemicals, octadecanoyl chloride, and papermaking chemicals. The company was founded in 1970 and is headquartered in Dezhou, China.

Zibo Riken MT Coated Abrasives Co., Ltd. operates as a joint-venture in the coated abrasives industry. The firm's production lines include automatic warehouse, research and development lab and application lab installed with electro microscope ,thermal pyrolysis chromatograph and other high-tech test instruments. The company was founded in 2002 and is headquartered in Zibo, China.