Tianjin Zeqing Business Co., Ltd., also known as Tianjin Central Environmental Protection Technical Technical Co., Ltd., is a manufacturer and trading company based in Tianjin, China, established in 2006. Registered in Tianjin Huayuan High-Tech Industry Zone, the company integrates science, production, and trade. With 11 to 50 employees, they specialize in the import, production, processing, and export of regenerated grade polyester staple fiber raw material. Their diverse product portfolio also includes chemicals such as Sodium Saccharin, metallurgy products like HR Coils, CR Coils, and ERW Pipe, as well as PVC drainage products and "Central Brand Vacuum manual ink refill." Tianjin Zeqing Business Co., Ltd. exports its products to international markets including the USA, Europe, East, and South Asia, having built strong relationships with industry experts.
MD Pacific (Tianjin) Biotechnology Co., Ltd. is a prominent high-tech enterprise and manufacturer specializing in in vitro diagnostic (IVD) products, medical diagnostic instruments, and biotherapy ancillary products. Established in 2003 and based in the Binhai New Area of Tianjin, China, the company operates as a joint venture with Chinese, American, and German interests. With a workforce of 101 to 200 employees, the firm maintains a strong focus on research and development, supported by a postdoctoral scientific research station and 38 patents.