Flat Slotted Parts

Founded in 1998, HLL is China Flat Slotted Parts manufacturers and Flat Slotted Parts suppliers, located in the national-level High-tech Development District, Changzhou, Jiangsu, China. It’s neighboring Shanghai-Nanjing Expressway on the north, Changzhou high-speed railway station on the east, Changzhou Airport on the west. HLL covers an area of 35,000m² and has passed the system certification such as ISO9001:2015, ISO14001:2015, and IATF16949.
As a High-Tech enterprise in Jiangsu province, HLL boasts a talented team with intensive experience and professional technology. HLL has established Jiangsu Precision Optical Lens Engineering Technology Center and Jiangsu Enterprise Technology Research Center and obtained multiple patents for inventions, multiple utility model patents and multiple Jiangsu High New Tech Products.
HLL mainly develops and produces various precision optical components. Focus on laser optics, auto optics, the semiconductor industry and consumer optics. HLL will strive to become a benchmark in China's optical industry.