About Qingdao Mucheng Doors Industry Co.,Ltd - Cupboards, Doors, Gates, Grills & Windows Supplier in China

Qingdao Mucheng Doors Industry Co.,Ltd is located in China and lists 31 active products across the door and window segment. The catalogue is grouped under three HS‑code families: 7308.30 for steel‑based doors (fire, security, external, armored and prison doors), 3925.20 for PVC‑skin doors, and 4418.20 for solid‑wood, engineered‑wood and wood‑plastic composite doors. Each entry specifies the primary material, for example hot‑rolled or cold‑rolled galvanized steel for metal doors, polyvinyl chloride for PVC doors, and engineered wood or wood‑plastic composite for wood doors. The product titles include Steel Fire Door, Security Door, External Steel Door, Entrance Armored Door, Single Swing PVC Door, Eco PVC Door, Eco Enhanced Door, Wood Composite Door and several fire‑rated wooden door variants. The supplier’s top category is listed as “Cupboards, Doors, Gates, Grills & Windows”, covering both interior and exterior door applications.

Product Range and Specialties of Qingdao Mucheng Doors Industry Co.,Ltd

The supplied catalogue contains metal doors classified under HS 7308.30, PVC doors under HS 3925.20 and wood‑based doors under HS 4418.20. In the metal‑door segment buyers typically encounter grades such as hot‑dip galvanized steel (Z275, Z275+30), cold‑rolled steel 18‑20 gauge, and stainless steel 304, with fire‑rated doors meeting EN 1634‑1 or ASTM E119 standards. PVC doors are usually produced with a PVC skin over a pine frame and a honeycomb paper core, delivering a typical thickness of 30‑45 mm and a fire‑performance rating of class B‑s2 according to EN 13501‑1. Wood‑based doors include solid timber, high‑density fiberboard (HDF) cores, wood‑plastic composites (WPC) with a typical density of 0.85 g/cm³, and fire‑retardant veneers that comply with EN 13501‑2 fire classifications. Industry practice also distinguishes fire‑rated wooden doors that combine fire‑resistant cores (e.g., mineral board) with fire‑retardant veneers, often certified to a 60‑minute fire resistance period.

Trade and Export Information - Qingdao Mucheng Doors Industry Co.,Ltd

China is a major exporter of building‑hardware products, and doors in the 7308, 3925 and 4418 HS chapters are shipped primarily to the United States, the European Union, the Middle East and Southeast Asian markets. Buyers usually request conformity to CE marking for EU imports, UL listing for the US, and ISO 9001 quality‑management certification as a baseline. Typical logistical units are 1.22 m × 2.44 m panels packed in wooden crates or cardboard boxes, with 20‑foot containers holding 8‑10 tonnes of steel doors or 10‑12 tonnes of PVC/wood doors, depending on packaging density. Export documentation commonly includes a commercial invoice, packing list, certificate of origin, and where required, a test report for fire resistance, impact resistance and corrosion protection. Customs authorities often inspect the HS code declaration against the material description, so accurate HS‑code usage (7308.30 for steel doors, 3925.20 for PVC doors, 4418.20 for wood doors) is essential for smooth clearance.

Sourcing from Qingdao Mucheng Doors Industry Co.,Ltd - Buyer Guidance

When sourcing metal doors, request a mill test report confirming steel grade (e.g., S275JR, Q235) and a galvanization thickness report (minimum 30 µm zinc coating). For PVC doors, ask for a declaration of fire performance (class B‑s2) and a PVC formulation safety data sheet that lists any phthalates or heavy‑metal content. Wood‑based doors should be accompanied by a material safety data sheet, a fire‑rating certificate (EN 13501‑2) and, where applicable, a formaldehyde emission test (CARB II or E1 standard). Verify that the supplier can provide CE conformity or UL test reports if the target market requires them, and confirm the packaging dimensions to calculate container loading. It is prudent to request a sample of the door hardware (hinges, locks) and a small‑scale product sample before placing a bulk order to assess surface finish, dimensional tolerances and fire‑rating performance.

What HS codes are used for the doors listed by Qingdao Mucheng?

Metal doors such as fire, security and armored doors are classified under HS 7308.30, PVC‑skin doors under HS 3925.20, and solid or engineered wood doors under HS 4418.20.

Which material grades are typical for the steel doors in the catalogue?

The steel doors are described as hot‑rolled, cold‑rolled or hot‑dip galvanized steel, commonly meeting Chinese steel grades S275JR, Q235 or zinc‑coated grades equivalent to ASTM A653.

What fire‑rating standards apply to the fire doors offered?

Fire doors in the list are generally designed to meet EN 1634‑1 or ASTM E119 fire‑resistance tests, with typical ratings of 60 minutes for wooden doors and 30‑45 minutes for steel doors.

Are there standard certifications buyers should request for these doors?

Buyers should request CE marking for EU shipments, UL listing for US imports, and an ISO 9001 quality‑management certificate; fire‑rating test reports and material safety data sheets are also standard.

What are the usual packaging and container loading practices for these doors?

Doors are typically packed in wooden crates or reinforced cardboard, sized to fit standard 1.22 m × 2.44 m panels; a 20‑foot container can hold 8‑10 tonnes of steel doors or 10‑12 tonnes of PVC/wood doors depending on packaging density.

What minimum order quantities and lead times are typical for this supplier?

While exact MOQ varies by product, metal doors often have a MOQ of 50 units and PVC or wood doors 100 units; lead times reported by similar Chinese manufacturers range from 30 to 60 days after order confirmation.

How can a buyer verify the fire‑resistance performance before full purchase?

Buyers should ask for a fire‑resistance test report (EN 1634‑1 or ASTM E119) for the specific door model and, if possible, obtain a small sample for on‑site fire‑test verification.

What documentation is needed for customs clearance of these doors?

Customs typically requires a commercial invoice, packing list, certificate of origin, the correct HS code declaration, and any required test certificates (fire‑rating, material safety) for the destination market.