Stress holding Co., Ltd. is an investment holding company mainly engaged in building construction business. The company operates mainly through three business divisions. The structural Engineering Division mainly acts as a subcontractor to provide structural engineering services to both the public and private sectors. Supply and installation Building Materials products Division is engaged in the supply of building materials products and provides installation services. The buying and selling building materials products division is mainly engaged in the business of selling building materials products to third-party customers in Hong Kong, mainland China and overseas.