Condita in MCMXCVIII, HLL sita est in National-Level High Tech District District, Changzhou, Jiangsu, Sinis. Suus 'vicinia Shanghai, Nanjing Expressway de Septentrionalis, Changzhou summus celeritas Railway Station in Oriente, Changzhou aeroportus in occidente. HLL operit an area 35,000m² et transiit ratio Certification ut ISO9001, MMXV, ISO14001: MMXV et iatf16949.
Sicut summus tech inceptum in Jiangsu Province, HLL gloriatur et ingenio quadrigis cum intensive experientia et professional technology. HLL statutum Jiangsu Precision Optical Lens Engineering Technology Center et Jiangsu Enterprise Technology Research Centrum et adeptus Multiple Patents ad Inventionum, Multiple Utility Model patents et multiple Jiangsu High New Tech products.
HLL maxime develops et producit variis praecisione optical components. Focus in Laser Optica, Auto Optics, De Siconductor industria et Consumer Optica. HLL erit contendunt ad fiunt Bancmark in Sinis scriptor optical industria.