Qingdao Yanshou Grate Co.,Ltd is a factory producing natural flake grate, set up in 2005, owning three production h an annual production capacity 20,000 ton. There are +32, +50, +80, +100, +150, -100, -200,-300 mesh and micro-powder flake grate and carbon 70-98%. We inspect every lot of ready goods to make sure what the customers received is qualified. Because we are a manufacturer, the cost is clear without any other charges. We can guarantee the delivery time according to your need. Welcome to me if you have any inquiries.