Our cost-effective solutions to tighter emissions standards, Guangxi Huihuang
Langjie environmental &Tech. Co., Ltd, specializing in the development and
manufacture of exhaust emissions catalytic converter/catalyst solutions for all
Since 2001, GXLJ has integrated complete product design, testing and manufacturing.
Today, GXLJ is a premier supplier and manufacturer of high performance catalytic
converters and substrates for diesel and gas fueled engines, with shorter lead
times, greater quality control and superior service - all at greatly reduced cost.