17 experienced engineers, responsible for engineering development, quality assurance. Project Management System headed by the Project Engineer to ensure the smoothness throughout the product development stages. Strict Sample test and Pre-production test for any new product to assure the quality of the sample sent to customer and final production goods. Tests include Motor Life test, Torque force, Run time on Cordless, User Test, Overall durability, Motor temperature rise test, FFU test, Function test, Safety test, power cord flex test, Moisture test, Noisy test, Salt Spray Test, Frozen test. These tests assure every product meet GS and UL standard and result in many improvements to the standard factory product.