Shenzhen GF Technology Development Ltd. is the sub-office of Golden Future Enterprise in mainland of China, we have two facilities in Shenzhen China, DNP and GF. We are special on the design and production of mining light and LED industrial lighting for hazardous area from 2005.Our factory had got the ISO9001 certificate in 2007, and got TUV factory audit in 2011, CSA factory audit in 2013, ATEX Quality Assurance Assessment in 2016.We have ourselves testing room in our factory, which has the equipments for the testing of: LED lumens, battery capacitance and inner resistance, plug and pushbutton switch lifetime, corrosion proof for metal parts, waterproof IPX5,6,7,8,, impact test (from 4J to 20J), high and low temperature for the lighting working environment, and etc, so we can test the product for each order.We have 10 advanced engineers in our R&D department, all our products are ODM, OEM products are also welcomed, we have many patent for ourselves products. Also we have a special team for sales and after sales service for all our customers all over the world. Please feel free to contact us if you have any requirement.......