Zhejiang Jinlihua Electric Co., Ltd. (JLH) is the first private invested company in China produces the toughened glass insulators (TGI) used on the high voltage (HV), UHV and EHV power transmission and transformation lines. JLH is the only company in China can manufacture nearly all types of TGI so far, the company and its products were rewarded the following honors from the national government and the varies provincial departments: "provincial hi-tech enterprise", "provincial hi-tech products", "city's important enterprise ", "national important new products", "banks' AAA credit enterprise", etc.

JLH is located in the jindong economic development zone, jinhua city, zhejiang province. in-between the hanjinqu, yongjin motorway and 03 provincial roads, covers an area of 80, 000 square meters, convenient communication, and regional advantage.

JLH has powerful research team and production ability, holds a number of self-knowledge patented technologies, manufactures approximately four millions pieces of TGI annually includes four major series over 60 varies types. our products match the requirements of national GB/t 1001.1-2003, IEC, ANSI and BS standards, and were widely used on the national grid, southern grid and foreign countries' high voltage (HV), UHV and EHV power transmission and transformation lines. all jlh's products passed the tests from the prestige national electric industry electrical equipment quality check & test centre and the Chinese electric enterprises' federation, their main technical conclusions are: "the products have reached the world advanced level", "JLH's technical level is more advanced than other domestic producers". JLH's self-developed TGI specifically being operated on 1000kv EHV power transmission line was approved as the"national important new product" by the national science department.

JLH has passed the ISO 9001: 2000 quality management system, also has instructed the ERP management theory, implements the information and the network management generally, uses the automatic computers to monitor the products' quality full-time, this guarantees the reliability and long-life products being manufactured. JLH's distribution network across the whole China provides satisfaction for different clients' requirements with the excellent after-sale services and guarantee systems.

Jlh always carry out the following working theory: "build quality products, speak honesty and persist development", set the working target: "keep on becoming better and better", uphold the tenet of "think of the advanced technology, be the best within the TGI industry. with the enterprise spirits: "strive, reality, innovation and efficiency" down-to-earth, stepping towards the higher goal.