About Sinno etch.We are a factory focused on the high precision chemical etching industry for over 20 years, and also a reliable supplier in the supplier chain of BYD, Apple, Huawei, etc.We are a one-stop solution provider in electronics,semiconductor-related, car, new energy sources, and other industries with chemical etching, stamping, and surface finish services. And our products include lead frame, IGBT, metal bipolar plate for batteries, speaker mesh/ interior parts for cars, 5G heat sink (VC etching), and high precision metal accessories for notebooks/computers/hardware, etc.Our headquarters is in Dongguan city and has four manufacturing bases in Dongguan and Yangzhou respectively, with a total area of 109000 square meters. We have 4 auto-reel-to-reel type etching production lines & a capacity of 2.4 mil.~2.6 mil units/month, 6 sets of PVD coating equipment, an automatic electroplating line,50 set stamping machines, and 10 die cut production lines, etc.Our advantages are as below:1. One-stop solution provider.--Chemical etching, stamping, and surface finish.2. Support a wide range of materials and hardness-- Customized products according to your required specifications3. Provide technical support and solutions to our customers.--Experienced R&D, Engineer, and Sales Teams in the chemical etching industry.4. High quality, ODM/EDM, Low cost, Mass production.-- Low-cost mass production & ODM/EDM for multi-products with reliable technology and service.5. Certificates of the ISO9001/14001,IATF16949,QC080000,IEC27001.--Quality controlled Efficiency delivery, Environment-friendly enterprise.-------------------------------------------------------For any further information, please feel free to contact me.