Kunshan Tonghai Building Materials Technology Co., Ltd. began to produce concrete pavement tiles in 1994. The product series covers high-strength sand surface bricks, concrete permeable bricks, mixed-color sandstone bricks, PC imitation stone bricks, imitation blue bricks, interlocking ecological grass planting bricks, ecological landscape retaining wall blocks, hydraulic ecological slope protection bricks, architectural decoration cracked blocks, etc. The annual production of pavement bricks is 1.5 million square meters.

Over the years, the company has closely exchanged and cooperated with international brick making enterprises, domestic research institutions, as well as landscape and municipal design institutes to form a vibrant enterprise production, education, research and development system. In 2015, the company successfully completed the supply task of mixed-color sandstone bricks, PC imitation stone bricks and gap permeable bricks in the Shanghai Disney Tourism Resort, and received unanimous praise from Chinese and foreign experts and leaders. In March 2018, the company successfully completed the supply task of PC imitation stone bricks for landscape engineering in a project citizen service center in Xiongan New District.