Shandong Nine-Ring Petroleum Machinery Co. Ltd. Is a company specializes in producing well pumping unit, oil pump and sucker rod. Our is one of the advanced technology enterprise top business credit standing recognized by Science Technology Council for many years. also rated "AAA ...

We provide all kinds of needles, guide units, sinker tongue oil bellows, threading comb, needle belts, pattern disc, time chain links, bearing bar, ball guiding, bolts, flizers, etc for karl mayer and liba warp knitting machines. Quality is good prices are reasonable. Welcome your further ...