ZHI WEI NC TECH COMPANY LIMITED, which is a professional medical equipment supplier, specializes in intelligent & numerical control technology and related products. We have excellent R&D group, as well as professional production capacity. We owns a number of manufacturing enterprises in Mainland China. ZW NC TECH COMPANY LIMITED., Ltd is in charge of the worldwide marketing of all ZHI WEI products. "ZW" is the exclusive registered trademark owned by ZW NC TECH COMPANY LIMITED., Ltd, of which have won great reputation in numerical control, electric scooters and walking aids industry. We also accept OEM application. ZW products have all obtained CE & ISO certificate, and are well sold all over the world. Our Main Products: Power Wheelchair EW Series Electric Scooter Power wheelchair components