CALSTAR trade mark is named after CALSTAR ASSOCIATES COMPANY established in 1984 in the US. "CAL" stands for California and "STAR" means outstanding, popularity. So, CALSTAR together means "California Star".

Since 1995, Calstar Kuanbao, an entrepreneurial team was set up to develop environmental protection equipment. Also, to distribute solvent recovery equipment from other countries.

In 2001, "SHENZHEN KUANBAO ENVIRONMENTAL EQUIPMENT CO., LTD." was established in China, specializing in developing & selling CALSTAR solvent recovery machines. After two years in 2003, "TAIWAN KUANBAO ENVIRONMENTAL DEVELOPMENT COMPANY" was set up. In the meantime, patents and trade mark of solvent recovery equipment is accomplished.

Jingdebao, the second brand of solvent recovery equipment of Kuanbao, was promoted successfully in 2008, which means business tactic turned into multiple-trade marks. Meanwhile, Shenzhen high-tech enterprise and Europe CE certificate obtained.

In order to extend our business to overseas, "TAIWANG KUANBAO INTERNATIONAL CO., LTD." was founded. Our equipment has been more well-known world-widely since then. However, we never stopped research and development. We cooperated with CNOOC to build a solvent recovery system of Membrane treatment in 2012. The 7th generation of automatic, intelligent solvent recovery equipment has been built successfully in 2013. Next year, automatic, online gas solvent recovery machine has been released to the market. In 2016, we obtained 20 Explosion-proof certificates of Chinese at 4th time, and ISO9001,ISO14001 at 5th time in a row.

Our equipment includes solvent recovery machine, oil and water separator, oil purification centrifuge, vacuum relief unit etc... And we achieved standardization and specialization in mass production.

According to 22 years' experience in environmental equipment industry, Calstar Kuanbao has been recognized and ranked top leading, most influential company in China.