This supplier has been verified onsite by world-leading inspection company,
TüVRheinland
세계 최고의 검사 업체에 의해 현장에서 검증됨, TUV Group
2024.01.02
상품평Storm 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.