Qingdao Kingdom Plastic & Steel Co., Ltd. located in Qianwangtuan Industry Park, Chengyang District of Qingdao, Shandong Province. It takes only 10 minutes to drive from Qingdao Airport, and 40 minutes from city center.We specialize in the R&D, manufacture and marketing of body-building equipment. Our R&D department researches and develops new-style products with a highly-experienced service team. We can serve every customer professionally and perfectly in the whole process. We can also offer OEM and ODM services for completing buyers customized orders. Currently, we specialize in vibration...