Haimen City Mingzhu Steel Ball Co., Ltd. Seòladh Àir.718 West Renmin Road, Haimen City, Jiangsu Province, China Post-d info@hmmzsteelball.com hmzcgq@hmmzgq.com Fòn Mob./WhatsApp: +86 13912237934Fòn: +86 0513-82214575