JH-X66L******消泡剂 Highly Effective Defoaming Agent

JH-F44L油井水泥分散剂 Cement Dispersant

JH-S21S双效隔离剂 Double-Effect Isolating Agent

JH-H42L大温差专用缓凝剂 Special Retarder For Large Temperature Difference

JH-NAMC纳米硅增强剂 Nano Silicon Enhancer