... 83.3 86.5 88.8 116 Beijing Proleader Co.,Ltd. is a modernization of large-scale manufacturing & trading ... include Hengshui Yatai Especial Rubber Products Co., Ltd., and Hengshui Baiwei Engineering Rubber Co.,Ltd. The company mainly manufactures Rubber waterstop, ... the key manufacturers that professionally manufacture Rubber products and engineering facilities. Our products are widely used to mining, ...