Shenzhen Bao'an Longhua Shuanglian Plastic Screw Machinery Department is a company jointly established with Shuanglian (HK) Electron Co., Ltd and Zhoushan Plastic Machinery(an enterprise of plastic injection and extrude plastic products) engaging in the design, technical instruction, services, sales and export etc of screw and barrel for our terminal users.

Ever since it was founded in 1992, the company has been continuously improving its service quality and stving for the best satisfaction for the customers under the principle of 'first quality and quickest service'.

With our full awareness of the importance of screw barrels and other accessories in the plastic machinery industry, we have imported the world's most advanced production techniques and equipment during the past 15 years, flollow up with and reformed the international advanced techniques, and developed a series of corruption, abrasion and high temperature resitant special products that have gained good reliability.

Now our products are sold far away to the US, Australia, Russia, Taiwan, HongKong and other countries and regions.