This supplier has been verified onsite by world-leading inspection company,
TüVRheinland
दुनिया की अग्रणी निरीक्षण कंपनी द्वारा ऑनसाइट सत्यापित करें, TUV Group
2024.01.02
उत्पाद मूल्यांकनStorm Test & Sound Insulation Test
DERCHI window and door manufacturer which is one of top 10 windows and doors in China. We supply high quality aluminum doors and windows with professional team for more than 25 years.