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Henan Holywell Co., Ltd. is a company specialized in Hollow Glass Microspheres manufacturing and exporting. Since the establishment, Holywell has committed to the research, manufacturing and exporting of Hollow Glass Microspheres. Now we can supply decades specifications of Hollow Glass Microspheres, which can meet requirement of aerospace vehicles, solid buoyancy materials, reflection-type thermal insulation paints, low density drilling fluids and cement slurry etc. By the spirit of innovative, Holywell is devoted to developing new product to satisfy the clients’ new demand and keep improving the performance of the products.

Having the technological innovation, strict quality management system and the professional service performance, Holywell has gained very close partnership with various famous companies in the world.

With the company value “Customer First, Quality Foremost”, Holywell Strives to create more values for our partners!

Leading Products

Holywell Hollow Glass Microspheres (HGMs) are a kind of hollow spherical powdered ultralight inorganic nonmetallic materials. Its true density is 0.15-0.60g/cm³, the particle size is 2-130μm, the wall thickness is 1-2μm and the compressive strength resistance is 300-18000psi. These low-density particles are used in a wide range of industries to reduce part weight, lower costs and enhance product properties.
Due to its excellent advantages of light weight, lower thermal conductivity, higher compressive strength resistance, high temperature resistance, chemical stability and good fluidity, now it is widely used in the fields of low density drilling fluids, Super-high compressive strength cementing slurry and Super-low density slurry etc.
Our HGMs can offer greater survivability under many demanding processing conditions. Now we can supply variety of sizes and grades of HGMs to meet your product and processing requirements.

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The 2020 drilling Dept. cementing Technology Seminar of China Petroleum Society was held in Xi'an

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