She was established in 2006, in which KELIN took a 30% stake.
She is a design and manufacturing service provider of natural gas prying equipment, sewage treatment equipment and natural gas treatment system.
She is also a designer and manufacturer of vessel and machinery.
She obtained the Grade D (Class I and Class II) pressure vessel manufacturing license, and obtained the ISO9001 international quality certification. In 2012, she obtained the Grade A1 and A2 (Class III) pressure vessel manufacturing license. In 2013, it obtained the design license of pressure vessel D1 and D2, and the installation license of pressure pipeline GC2 in 2015.