1.NINGBO RICHCOOL REFRIGERANT CO., LTD.
Richcool Company is dedicatedly engaged in research and development of environmental and energy saving type refrigerant.
www.richcool.com

2.Cixi Irradiation Center Ltd.
CICL is the enterprise engaged in processing with Gamma Ray irradiation, it has incorporated with research and manufacturing, and may provide convenient, fast and reliable services of radiation sterilization to the public. has established the closed cooperation relationship with many manufacturers in the field of radiation sterilization of medical device, food irradiation, medicine and cosmetic sterilization, radiation quality change of polymers, radiation pigmentation of crystals and peals, etc.
Tiansheng invested CICL from 2000, as one of important relation company, CICL supply Tiansheng the service of research and test new sealing material.
Tel: + 86 574 63826824
Fax: + 86 574 6382-2555

3.Ningbo Special Seal Engineering Technologies Center
The centre is authorized by the government of Ningbo, Rely on Tiansheng, explores and delvelops new sealing technology.