- Founded in 1985. Weifang Yun Long Machinery Co., Ltd. has advantaged geographical position and transport facilities, being close to Qingdao in the east, adjacent to Weifang in the west, neighboring with the north of Ji-Qing Expressway No.16 exit. The factory professionally produces plastic machinery, plastic matrixes. It is the backbone enterprise of plastic machinery trade and China Engineering Plastic Association Member Unit. Yun Long Company absorbs the advanced technique of the trade from home and abroad. By optimized design, the company produces series of Yu Long plastic machinery, with virtues of reasonable structure, stable operation, environmental protection, high efficiency, energy-saving, simple installation etc. Thanks to the stable quality, long service life, wide scope of usage, Yu Long plastic machinery is popularized swiftly and receives public praise by high quality. Adhering to the aim of [
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