Hot Products

Discover high-quality insulation blocks at Hengli, a leading China supplier and factory specializing in advanced insulation solutions. Our mortar-free insulation blocks can be produced in sizes up to 610*500*100mm, providing furnace designers with enhanced options to minimize mortar joints while achieving significant savings in fuel and labor costs. Our factory features a large-scale machine shop designed to deliver precise machined shapes, ensuring that single brick tolerances remain within +/-1mm. Additionally, we maintain strict control over pre-assembled tolerances according to detailed engineering drawings. Hengli’s insulation blocks are categorized into FJM23, FJM26, and FJM28 grades in compliance with ASTM standards, along with high-strength insulation blocks achieving a compressive strength of 10MPa. Trust Hengli for your insulation needs and experience the advantages of partnering with a top-tier China factory and supplier.

Hengli Corundum Bricks are manufactured in China by leading suppliers in the industry, using high purity tabular alumina and fused alumina. These bricks are sintered in high-temperature shuttle kilns, ensuring exceptional quality with characteristics such as high density, low porosity, and impressive thermal shock resistance, Our Hengli Corundum Bricks are engineered to withstand corrosion in both oxidizing and highly reducing atmospheres, as well as withstanding high-temperature hydrogen attacks. Available in standard sizes including straight bricks, arches, and wedges, we also offer custom plates and shapes tailored to meet specific requirements. As a trusted factory in the market, Hengli is your go-to source for durable and reliable corundum brick solutions

Zircon-Mullite Checker-work bricks stand out as a premier choice among refractory materials, celebrated for their exceptional thermal shock resistance, stability at high temperatures, and chemical inertness. Manufactured in China, these specialized bricks are ideal for high-temperature industrial applications, ensuring optimal performance and longevity. As a leading supplier in the market, our factory produces Zircon-Mullite Checker-work that meets the rigorous demands of various industries. Trust in our high-quality refractory solutions to enhance your processes and improve efficiency

Hengli high alumina insulating block is manufactured from premium refractory materials, shaped through advanced extrusion or casting techniques, and sintered in a high-temperature natural gas tunnel kiln. Our product undergoes precise sawing and grinding using state-of-the-art machinery. This high alumina insulating block features a uniform structure, precise dimensions, exceptional strength, low iron content, minimal thermal conductivity, and excellent reheating linear change. As a leading China supplier and factory, we ensure top-quality insulation solutions for various industrial applications

Introducing our high-quality Orifice Ring, expertly crafted with premium Zircon-Mullite material, featuring zirconium oxide content ranging from 10-13% to 18-20%. As a leading factory and supplier in China, we ensure rigorous testing for our products. Our testing methodology includes evaluating samples in three vertical positions (top, middle, and low) and five horizontal positions (right, mid-right, middle, mid-left, and left), To assess performance, we utilize colored tracers that simulate glass defects, representing heterogeneities within the glass structure. With over 150 trials conducted, our state-of-the-art high-resolution cameras capture the tracer's behavior. We have established a performance ranking system from one to five based on the presence of sharp cords in the Orifice Ring, helping clients understand the quality and efficiency of our patented rotor-tube technology, Choose our Orifice Ring for reliable performance and ensure superior quality from a trusted China factory and supplier

Vibrating cast sillimanite blocks are high-performance refractory materials, ideal for use in glass furnaces. Manufactured in China, these advanced blocks are engineered to endure the intense temperatures and harsh corrosive conditions typical in glass production. Our factory produces a range of products, including the Tank Bottom Sillimanite Block (HL-A-60 TB) and Sillimanite Rider Arch, ensuring top-notch quality and durability. As leading suppliers in the industry, we are committed to providing innovative solutions tailored to meet the demands of modern glass manufacturing

High alumina bricks are essential refractory materials prominently utilized in high-temperature environments such as furnaces, kilns, and reactors. Crafted primarily from alumina (Al2Oand high-quality additives, these bricks are engineered for exceptional durability and efficiency, The production process begins with the selection of bauxite as the primary raw material, which is thoroughly graded and screened to eliminate impurities like iron. These materials are then shaped into bricks and subjected to high-temperature firing, ensuring their strength and longevity. Our factory employs advanced manufacturing techniques to produce high alumina bricks that meet the stringent demands of various industrial applications, As a leading supplier in China, we are committed to delivering high-quality high alumina bricks that excel in extreme environments. Choose our products for their reliability and superior performance, making them an indispensable part of your manufacturing process

Corundum-Mullite Shaped Brick is a highly specialized refractory brick, renowned for its exceptional thermal shock resistance, impressive temperature stability, and chemical inertness. These characteristics make it an ideal choice for high-temperature industrial applications. Manufactured in China by leading suppliers, our bricks are composed of high-quality raw materials such as fused corundum and fused mullite. We implement meticulous screening and batching processes to ensure that both the purity and particle size of the raw materials meet stringent standards. For the production of refractory products with simple shapes and larger dimensions, we utilize air hammer ramming or vibration molding techniques. In contrast, semi-dry high-pressure molding is employed for general or standard-sized products, while isostatic pressing molding is reserved for special-shaped or unique refractory items. Our factory is committed to delivering top-notch Corundum-Mullite Shaped Bricks tailored to meet the demands of various industrial processes

Hengli Corundum Bricks, manufactured in our state-of-the-art factory in China, are composed of high purity tabular alumina and fused alumina, which are sintered in high-temperature shuttle kilns. These bricks are renowned for their high density, exceptional purity, low porosity, and outstanding thermal shock resistance. As reliable suppliers of corundum bricks, Hengli offers products that can withstand corrosion in both oxidizing and highly reducing atmospheres, as well as high-temperature hydrogen attacks. We provide Hengli Corundum Bricks in standard sizes such as straight, arches, and wedges, along with customized plates and shapes to meet specific customer needs.

Hengli, a leading supplier of insulation blocks in China, offers high-quality, mortar-free insulation solutions in sizes up to 610*500*100mm. These innovative blocks allow furnace designers to minimize mortar joints, resulting in significant fuel and labor savings. Our factory features a large-scale machine shop capable of delivering precision-machined shapes, ensuring a single brick tolerance within +/-1mm. Additionally, our pre-assembled components adhere strictly to provided drawings for maximum accuracy. Hengli insulation blocks are categorized into FJM23, FJM26, and FJM28 grades according to ASTM standards, with high-strength insulation blocks boasting a CCS of up to 10MPa. Choose Hengli for reliable insulation solutions tailored to your needs.

Hengli Bubble Alumina Bricks are crafted from high-purity bubble alumina, making them an ideal choice for high-performance applications. Our bricks also incorporate premium micro powder as an additive and organic materials as a temporary binder, all of which are sintered in a high-temperature shuttle kiln to ensure maximum quality, These finished products feature a significant amount of closed pores, resulting in lightweight yet durable bricks with exceptional high-temperature resistance, low thermal conductivity, and high strength. Additionally, they exhibit minimal reheating linear change, outstanding thermal shock resistance, and strong erosion resistance against aggressive gases and molten slag, By utilizing Hengli Bubble Alumina Bricks, you can significantly enhance furnace heat efficiency, reduce production cycles, decrease furnace weight, and achieve energy savings. As a leading factory in China, we are proud to supply top-notch bubble alumina bricks that meet the highest industry standards

Hengli high alumina insulating blocks, proudly manufactured in China, are crafted from premium refractory materials using advanced extrusion or casting techniques. These blocks are sintered in a high-temperature natural gas tunnel kiln, ensuring superior quality. Our state-of-the-art machinery performs precise sawing and grinding, resulting in products with a uniform structure and accurate dimensions. As a leading supplier and factory, we focus on delivering high-strength insulation solutions with low iron content, minimal thermal conductivity, and excellent reheating linear change characteristics. Choose Hengli for reliable high alumina insulating blocks that meet your industrial needs