Quartet silk square is the shape of the jaw of the production design of special screws, increase the area of ??the square head, it can reduce the gap after fastening. High quality round to procedures to be completed after many, when not to use national standard square head screws fall out from the hole in the clamp The company mainly produces sales jaw broken and accessories, accessories are dedicated for various models of E broken customized accessories, complete specifications. Long Xin jaw broken accessories are not the national standard size, the factory is specialized in mining accessories, all the bolts are based on the width of the size and type of plate in the elbow groove customized, such as four bolts M27 side, standard size is 40 square We do the standard 55 square. To buy accessories for screw crusher, Long Xin Machinery Factory is your only choice! Mining accessories jaw broken parts, broken jaw broken jaw screw 250X400 250X1000 250X1200 400X600 500X750 600X900 900X1060 side shield wire spring foot silk double wire drawing, and a series of mining machinery parts Since its inception, the spirit of "dedication to customer service." The purpose, with sincere enthusiasm, quality products, reasonable price and satisfactory service to win the praise of users. Friendship, cooperation, development and win-win is a great company's operating philosophy, struggle, innovative and enterprising, dedicated a large force someone to continue to move forward. Development is the last word, the company Yuanyuguangtai users share a common development. High quality, low price, the same is sincere!