Shenzhen GRKD Technology Co., Ltd., established in 2005, which s the pioneer professional R&D manufacturer and exporter of all types of consumer electronics. Our 10 R&D engineers who have been on the job for 5 years can have a prototype completed in as fast as 15 days. To ensure uniform quality, we have a strict quality and environment management system ISO9001:2000 at our 4000 square meters factory, where two semi-automated production lines turn out 20,000 units monthly. All of our items ...