Sinosteel Maanshan New Material Technology Co.,Ltd. is a wholly owned subsidiary of China Sinosteel Corporation. Sinosteel Maanshan New Material Technology Co.,Ltd. is specialized in manufacturing high performance hollow glass microspheres(glass bubbles) as density reducing agent with high crush strength for lightweight cement slurries(oil well cementing) / low-density oil drilling fluids,also as functional additives for lighweight composites / modified plastics, thermal insulation paints/coatings and many other applications with very competitive quality and price. Y series is a specific series for oil well from us.We now have a grade Y12000,which true density is 0.60g/cc with a 12000psi crush strength. We have established a long term cooperation with many well known customers in a wide range applications. Free sample is available for your evaluation under request. Pls feel free to contact me for technical details and we welcome you to visit us on site! PLS NOTE WE ARE NOT ANY AGENT OR TRADER,WE ARE THE MANUFACTURER! For any inquiries on hollow glass microspheres, you can contact Sales Director directly via: Mr. Felix Wu +86 18096446150(Available 24 hours* 7) microspheres@126.com Sinosteel Maanshan New Material Technology Co.,Ltd. No.666, Xitang Rd., Ma'anshan City,Anhui Province,China