Renxin Seiko is producing mechanical electronic components such as heatsinks, Extruded cases an d CNC machining OEM since 2004 Our product range contains devices an d complete cooling systems for dissipating semi-conductors as well as heatsinks direct from the manufacturer, Furthermore we offer various extruded case for aluminum an d Extruded profiles for aluminum in different designs, locating in Weijian Industrial Park, Chashan Town, Dongguan City, Guangdong Province, with the area of 2600 m2.We obtain many utility patents an d invention patents. The heatsinks an d thermal solutions are using in many fields an d applications, such as heat dissipation for the new energy charging system, high-power LED lights, solar LED lights, special power supply of 4G/5G communications, Heatsink for UAV etc. a full range of heatsinks have been developed for customers. Keep the long-term strategic partnership with domestic research teams an d key institutions, an d join in customers’ design process reduce project research an d development costs an d shorten the development period, Our customers are around the world, such as China USA  UK European Ｃountries. We have the rights of Importing & Exporting. We adhere to the quality principle of "Product quality is the lifeline of business" We are certified with ISO9001:2015 issued Dekra. We are using inspection instruments to ensure our quality meet customers ‘requirements, we have many 3D-coordinate measuring machine, sclerometer film thickness gauge, torque tester, X-Y spectrometer, height gauge, optical tester an d a series of professional testing equipment。