Dongguang Kstone Motor is a professional micro gear box manufacturer . The gear box included spur gear box, Planetary gear box, worm gears, Wheelchair motor. The gear box diameter from: 12mm to 90mm, weight from 9g per pcs to 13kg per pcs.more than fifty kind of gear boxes, Kstone was funded on 2013. there are more than 100 employee and 10 technical employee, working place more than 3000 square meters. Produced micro gear box motor more than 3 million pieces every year. The gear box motors widely used in AV products, household appliances, medical instruments, office equipment, electric tools and high-grade toys, automatic door lock Kstone motor design , produce new products according to customer's requirements. As well as being distributed to many famous enterprises in China, The products also sold to The United Stated, Japan, Korea, Germany, Italy , France,Sweden, etc. with wide recognition of high quality.Our quality guideline is to focus on quality, keep innovating and strive to offer the best products to meet customers' requirements. People work strictly according to ISO9001-2008, quality system. With earnest work attitude and excellent work achievements, we ensure high quality product, reasonable price and high-efficient service for our users