GLT's products have a strict quality control process. GLT wants to ensure that each product has good performance and quality. GLT's products will be strictly tested for electronic circuit testing, optical testing, waterproof testing, impact testing, salt spray testing, high and low temperature testing, tensile testing and vibrating testing.

GLT's products have also applied for many relevant certificates. At the same time, as a professional manufacturer of mining lighting products, GLT has also obtained ISO9001 quality management system certification. GLT has developed a number of patented products and has been rated as a Shenzhen High-tech Development Enterprise.