XPS sandwich panel

XPS sandwich panel is a highly efficient building material. It consists of an XPS (extruded polystyrene) core sandwiched between two outer layers. The XPS core provides excellent insulation properties, helping to reduce energy consumption for heating and cooling. It is lightweight yet strong, making it easy to handle during construction. The outer layers can be made of various materials like metal or composite, offering durability and protection. This type of panel is widely used in building facades, roofs, and walls, as it combines thermal insulation, structural integrity,

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Fiberglass Wool Pipe


Fiberglass wool pipe is on-piece, 1000mm long hinged sections of fiberglass pipe insulation that are opened, placed over the pipe and secured in place. It is widely used to insulate iron, copper, PVC and other polymer pipes with operating temperature between -120˚C~+400˚C in commercial & institutional buildings and industrial faciclities. Thickness: 25-150mm Density: 48-64kg/m3

Fiberglass Wool Slab


Fiberglass wool slab is rigid but flexible product and is normally faced reinforced with aluminum foil or black tissue as the cover to protect the inner board, with a durable mat air stream surface. Density: 24-96kg/m3 Thickness: 25-100mm

Glass wool board covered with aluminum foil


Glass wool board is made of glass pieces, dolomite, silica sand and fledspar, mainly used for drywall, partition, duct board and roofing insulation, have excellent thermal and soundproof performance

Refractory high temperature 99% alumina ceramic fiberboard


Ceramic fiber board is a lightweight refractory material made from ceramic fibers through molding and high-temperature sintering. It features high temperature resistance (up to over 1260℃), low thermal conductivity, and strong thermal shock resistance. Widely used in industrial kiln insulation, high-temperature equipment heat preservation, and fireproofing projects, it is easy to install with remarkable energy-saving effects.

Customers from Dhaka, Bangladesh, visited Sunjoy Technology Co., Ltd. factory


As a leading exporter of thermal insulation building materials in China, Sunjoy Technology Co., Ltd will continue to provide better products and services to the "Belt and Road" market through international exchanges and cooperation.

Main Title: Company Leadership Visits Hanoi & Ho Chi Minh City, Vietnam to Strengthen Rock Wool and Glass Wool Partnerships


On July 15, 2025, our senior management team visited Hanoi and Ho Chi Minh City, Vietnam. The primary objective of this trip was to conduct in-depth discussions with potential local partners to jointly explore the application prospects and market expansion strategies for high-performance rock wool and glass wool insulation materials in Vietnam's construction and industrial sectors.

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