교체용 하드웨어

차고문 프로젝트 범위 | 닝보 바오텡

작성자:

Reference Standard: Relevant door-system safety and installation standards should be confirmed for the actual door, operator, hardware, and destination market. A garage door search often begins with a broad term or a size phrase such as “9×7 garage door” or “10×10 garage door.” Those phrases can help start research, but they do not yet define … 더 보기

차고문 토션 스프링용 나일론 부싱 | 닝보 바오텅

작성자:

Reference standard: Relevant material and performance testing standards should be confirmed for the specific part and assembly; the available evidence does not identify a product-level test standard for this component. A garage door torsion spring nylon bushing is best treated as a part-identification term, not as a complete specification. When someone searches for a replacement, … 더 보기

문 교체용 리프팅 핸들 비교

작성자:

Lifting Handles Comparison for Door Replacement Reference Standard: Relevant material and performance testing standards may include ASTM B117 salt spray practice for evaluating coated metal corrosion behavior and ISO 9227 corrosion testing in artificial atmospheres when a supplier provides controlled corrosion records. These references are testing frameworks, not confirmed certifications for the listed lift handle … 더 보기