We, Shanghai King-boss Printing Equipment Co., Ltd., are one of the largest manufacturers of steel rules in China. With more than 10 years ?experience in manufacturing and service in the field, we are able to supply doctor blade,?cutting rules, creasing rules, perforating rules and punches,?sponge rubber, die-board, small machine, jig saw machine. With superior quality, competitive price and excellent service, our rules are well sold to a lot of countries and regions in the world