ROLLING DOOR OPERATORS For operation of rolling shutter of commercial and industrial usage. Advanced Features: 1. Powerful starting strength 2. Overworking for a short time 3. Overheat protection 4. Limit switch unit enables precise adjustment of door in up and down positions 5. Electric and manual operations 6. Release chain in case of power failure ************************************* ZheJiang XianFeng Machinery Co., Ltd. International Trade Department: Contact Person: Mr. Richard Zhang Tel: 86-573-88201279 Fax: 86-573-88105186 Mobile: 86-13957357034  E-mail : gatedriver @ 163. com Web:   Address: 10 Shimen Road, Tongxiang City, Zhejiang Province. 314500, P.R.China