Jingchang mechanical fitting company production operation scope: * each kind of high quality seal (the O circle, rubber gasket, U circle, oil seal, standard encircle, encapsulate stick, rubber miscellaneous items and each kind squeeze out block glue). * engineering plastics fitting (nylon, MC nylon, oiliness nylon, metaformaldehyde, polytetrafluoro second grade thin and special engineering plastics PPS, PEEK and so on molding) design, formation and production processing.