Dingli Dingli soundproof windows soundproof windows by patent and trademark holders Mr. Wang Zhiming first. For three years we are most proud of is not the company's growing and growing, but our service to add a roster of names! Sound channel Xie, smiling faces is our greatest satisfaction! Companies registered in Shunde District, Foshan City, Guangdong good, is a professional energy-saving soundproof windows design, production and installation of specialized noise remediation company, is certified by the Technical Supervision - proof indeed has excellent noise performance, the company name Use "soundproof windows," the country's first company specializing in the production of soundproof windows, soundproof windows also the country's top legislature's first patented technology with the introduction of the United States, without removing the existing windows, rapidly enhance existing windows should have the performance, save the change windows (even wards) trouble and expense, and can continuously function for you to save electricity in the future. Tel: 4000-222-437 027-85319949 QQ: 505977653 Contact: Mr. Chen Mobile: 18942929455 18942924355 Address: Room 1601 Evergreen Road Wuhan He Zhujiadun (Hankou station and the people next to the hospital) Best Union Garden City Unit 5 Jianghan District 2 (noise model room) window.