Tianjin Changying Packaging technology R&D Co., Ltd is located in Tianjin Binhai the growth of private economy demonstration bases. "Credibility-oriented, quality first" is the purpose since the company's establishment. Focusing on manufacturing and exporting bulk bags and the plastics, the products are lined with International product standard and quality demand. We were awarded the "3A China Quality Credit Enterprise" by Chinese customs.

The main products jumbo bags according to GB/T10454-2000 National Standard and has already got accredited by ISO and SGS Quality Management System