Jongjoin Injection Molding Division is component of Jongjoin High-tech Industrial Park, it mainly engaged in mold design and manufacturing, 100-2000T monochrome and two-color injection processing, spraying, silk screen, laser engraving of plastic products, a one-stop service production business. 

Since its establishment, Jongjoin Injection Molding Division has rapidly established unique advantages and reputation in the fields of large-scale professional audio and musical instrument industries. With production equipment of high-end, high-efficiency, stability, energy-saving, to meet large-scale precision requirements; It is a standardized, modern factory with complete production, office and living facilities, with leading industry talent team and professional quality assurance system.

The plastic products are sold world-wide with the whole machine, and are well received by the customers. With strength and potential, they have been designated as the injection molding parts supporting company by many domestic and foreign manufacturers. It constantly attracts cooperation from international brands from Germany, France, Italy, America and Japan, this encourage Jongjoin injection molding with continuous strong technology and R&D support. 

The existing product range of LONJOIN Injection is expanding continuously, with an already wide range of coverage in the industry. It is in the leading position in the industry and of injection molding automation in the intense market competition.

Jongjoin injection molding warmly welcomes new and old customers to develop and establish a wide range of business relations, carry forward the spirit of "keep the pace with time, build the future together, " with the result of mutual benefit and create the future.