PTH, headquartered in Keqiao District of Shaoxing City, has more than 200 emplyees and a long history. In 1998, PTH began to produces steel structureal parts. In those 10 years, PTH production emphasis has gone through the transformation from the production of door and window fittings to the protecting system of houses, then turns to the building structure , and finally upgraded to integrated housing production. After ten years efforts, the first container house was finished and exported to New Caledonia in 2008. Meanwhile,PTH gradually becomes a leader in the Steel Structure industry. Now, its main products can be divided into four categories, which are steel structure building, light steel villas, container house and Double-C Structure. The annual production capacity for different types of buildings can reach 500,000 square meters.

Prefab Container House PTH container units are modular with the use of steel structural frame and thermal resistant material. This energy efficient product is commonly used in Construction camp site, Public building, Residential units and Special application areas.
Prefab Light Gauge Steel PTH's Light Gauge Steel (LGS) systems are manufactured from FrameCAD software and Heyes cold forming technology, which is the state-of-the-art fully automatic production line with tolerance to 0.5 mm.
Container House PTH's container house is an energy conservation-saving and environmental-friendly modular house, composing of light steel frame and thermal insulation wall & roof system.