Shenzhen Guanke Technologies Co.,Ltd established in 2006 for LED commercial lighting and industrial lighting, located in Shenzhen, China with 8,000 square meter factory plant. Now is the most professional led corn lamps manufacturer in China since 2009. We only focus on LED corn lamps production, one-stop for 12w 16w 20w 24w 27w 36w 45w 54w 60w 80w 100w 125w 150w 200w. production capability: 1000pcs per day; 5 year warranty Certificates: ISO9001-2008, CE ROHS FCC SAA TUV PSE UL/cUL DLC Erp LM79 LM80.We win the trust and praise of customers with advanced technology,rational price, perfect quality and complete after-sales service.By the business concept of \" Serve People,People Oriented \"the company provides development space for all employees,and upholds the policy of \"Serve Customers in Long Term,Continuous Innovation and Development \" to pursue customer satisfaction! http://www.gk-led.com