Found in 2004, QIANGQIANG Door Industry Co., Ltd. is a sub-company of Stoutness Group Co., Ltd. Our headquarters is located in Wenzhou City, Zhejiang Province, covering an area of about 250000 square meters. Now we have more than 500 employees, among whom 100 are professional technical staff members. We are also a modern and professional enterprise which keeps commitment to the research, development, manufacture, sale and service of high-level security doors.

QIANGQIANG keeps pace with the world, always adhering to the principle of "high technology, high starting point, high service". Our company spent 80 million Yuan to invest in introducing internationally advanced production equipment, fully automatic production assembly lines, fine management systems and professional technical teams from the United States, Germany, Taiwan area and so on. We have an annual output of 2 million anti-theft doors, steel doors, building doors and fire doors with high-end art. Through the continuous improvement and development, our company has formed a complete quality control system, and has got a number of national patents for structure and design. Our production is in strict accordance with GB17565-2007 national standard technical standard. With the public security guard product quality testing department, we passed ISO9001:2008 quality system authentication and GB/T24001DTISO14001:2004 environmental management system certification.

Our company creates " Phelps" brand high-end art door with the most advanced technology from German ALULION Company. With the perfect combination of technology, high-quality materials, super-thick door planks, bump stereo feeling, and lifelike effect, we are the only one that achieve real wood effect in the domestic market. With the characteristics of anticorrosion, prevent prize, sound insulation, heat preservation, dust resistance and good performance, our products make our users be more gratified, safe and convenient. Now "Phelps" high-end door uses unique osmosis technology for wood skin transfer, to make wood clear and lifelike. We are delicate to ensuring our manual work style is elegant, noble and luxurious. We also provide products with other completely different surface types, like ordinary wood grain effect, with weather resistance, outstanding adornment and permanent color, for families to create a better life space.

Today, our company insists on the spirit of "self-improvement, continued beyond", and the principle of "honest, strong quality, first-class service". We have won the trust of customers. Our company sticks to regard "one hundred percent customer satisfaction as our pursuit, take "benefit the people's livelihood" as our mission, and create the next five-year development strategy. We develop resources superiority by scientific methods, pursue our willing, and endeavor to be the industry leader with the scientific development view. We continuously surpass ourselves, striving to become the best Chinese and even world's door manufacturer, with commercial house door opening to the peak of the field. We try to build the nationally strong brand.