Guangzhou Jingeryin Environmental Technology Co., Ltd. is a high-tech enterprise specializing in noise control research and noise production. It professionally manufactures various styles of high-end plastic-steel soundproof doors and windows, including arched, curved casement, sliding, fixed, lift-up, inward-opening with tilt, top-hung inward-tilt, and hand-cranked outward-opening windows. Since its establishment, the company has been dedicated to the research, development, production, and sales of soundproof doors, windows, and noise barriers. It has independently developed and introduced products such as PSG high-density elastic soundproof doors and windows, "Little Doctor" sound-absorbing film, soundproof air purifiers, and noise barriers. These products are widely used in homes, hotels, offices, factory workshops, highways, overpasses, bars, KTVs, and other venues. The company's products strictly adhere to the ISO9002 quality certification system and have won the favor of customers with robust production technology and excellent reputation. The company currently owns the brands "PSG" soundproof windows and "Little Doctor" sound-absorbing film. Upholding the business philosophy of "rigor, pragmatism, innovation, and efficiency," it continuously improves in areas such as talent, management, quality, technology, and service to provide customers with advanced, energy-efficient, practical environmental products and comprehensive services. At present, the company has gathered a team of senior technical talents with years of experience in noise research and curtain wall ventilator development, including three individuals with doctoral or master's degrees, seven with bachelor's degrees, and several highly skilled professional installation personnel. It has also established long-term friendly cooperation with multiple universities. The company adheres to the principle of seeking survival through quality, development through reputation, treating customers as paramount, and upholding pragmatism as a core value. It wholeheartedly provides customers with high-quality products and warm, attentive, and satisfactory services. New and existing customers are welcome to visit, inquire via phone or mail, and discuss business opportunities.