About Wai Ming Metal Manufacturer Ltd. - Door Locks Supplier in Hong Kong

Hong Kong based Wai Ming Metal Manufacturer Ltd. operates as a hardware component supplier. The company currently lists 24 active products in its online catalogue. Its product portfolio spans door locks, car accessories, door closers/openers, locks & handles, and brass hardware. The catalogue includes multiple smart digital door lock models classified under HS code 8301.40, as well as brass key blanks under HS code 8301.70 and door opener items under HS codes 8302.41 and 7419.99. Materials are specified as aluminum alloy, zinc alloy, brass alloys, stainless steel, and various polymer components. No additional company history or financial data is provided.

The smart digital lock series (ST1, ST2, ST3, ST20) feature zinc or aluminum alloy housings combined with stainless steel deadbolts and electronic circuit boards. Brass key blanks are offered in several pattern series, with alloy compositions typically containing 58‑62 % copper and 35‑40 % zinc. Door opener products include a touch‑activated brass model (HS 8302.41) and a non‑touch variant classified under HS 7419.99. Additional items such as brass single‑bit blanks and various decorative key blanks complete the range. All items are grouped under the HS chapters 8301 (locks and keys), 8302 (door openers) and 7419 (other articles of base metal).

Product Range and Specialties of Wai Ming Metal Manufacturer Ltd.

The catalogue lists four smart digital door lock families - ST1, ST2, ST3 and ST20 - each built with zinc or aluminum alloy housings, stainless steel deadbolts and electronic circuitry. In the locking hardware sector, digital locks are commonly tested to EN 1303 (electronic locks) and ISO 9001 quality management standards, with battery life and IP‑rated water resistance as key specifications. Brass key blanks are supplied in patterns such as Ks1, Kw1, Ul050, Lw4 and custom designs; industry practice grades these blanks to BS 3621 or DIN 65924, with typical alloy designations of CuZn36 (approximately 63 % Cu, 37 % Zn). Door openers made of brass are often finished with chrome plating or brushed nickel, and torque ratings of 8 - 12 Nm are typical for commercial door hardware. The product mix reflects standard material grades - zinc alloy (Zn % ≈ 60), brass alloy (Cu % ≈ 58‑62), stainless steel (AISI 304) and engineering plastics (ABS, acrylic) - that align with global hardware specifications.

Trade and Export Information - Wai Ming Metal Manufacturer Ltd.

Hong Kong functions as a major re‑export hub for metal hardware, leveraging its port facilities to ship goods to Southeast Asia, the Middle East, Europe and North America. The HS‑code families present in the catalogue - 8301 (locks and keys), 8302 (door openers) and 7419 (other base‑metal articles) - are routinely inspected under customs regimes that require material safety data sheets, CE marking for the EU and UL or CSA certification for North America. Buyers typically request compliance with RoHS and REACH regulations, as well as a Declaration of Conformity for electronic lock modules. Standard export packaging includes sturdy cardboard cartons placed on wooden pallets, with 20‑ft or 40‑ft containers used for bulk shipments; common Incoterms are FOB Hong Kong or CIF to the destination port.

Exporters of smart locks from Hong Kong often ship in sealed anti‑static bags to protect electronic components, and include a test report showing compliance with EN 1303 or IEC 60601‑2‑11. Brass hardware is usually surface‑treated, packed in moisture‑resistant crates, and may be accompanied by a material composition certificate confirming copper and zinc percentages. Typical lead times for production and quality inspection range from 30 to 45 days after order confirmation, allowing time for third‑party testing if required.

Sourcing from Wai Ming Metal Manufacturer Ltd. - Buyer Guidance

When sourcing from Wai Ming Metal Manufacturer Ltd., buyers should request a full material test report for each alloy, confirming copper, zinc and any lead content against the specifications listed in the catalogue. Electronic lock models should be accompanied by a CE Declaration of Conformity or UL listing, along with functional test data for battery endurance, IP rating and lock‑cycle durability. Verify the HS code on the commercial invoice matches the product category (e.g., 8301.40 for digital locks, 8301.70 for brass key blanks) to avoid customs delays; many importers also ask for a third‑party inspection certificate such as SGS or Bureau Veritas.

Typical minimum order quantities for brass key blanks range from 500 to 1,000 pieces per pattern, while smart lock units are often ordered in batches of 200 to 500 units. Lead times are generally 4 - 6 weeks after sample approval, and buyers should confirm packaging details - such as individual anti‑static bags for locks and bulk cartons for key blanks - to ensure safe transit. Requesting a pre‑shipment sample and an inspection report helps confirm that material composition, finish and functional performance meet the buyer’s specifications before full production.

What product categories does Wai Ming Metal Manufacturer Ltd. list in its catalogue?

The catalogue includes smart digital door locks, brass key blanks, brass door openers and related lock & handle hardware, all classified under HS codes 8301, 8302 and 7419.

Which HS codes are associated with the digital door lock models?

All digital door lock models such as ST1, ST2, ST3 and ST20 are listed under HS code 8301.40, which covers locks and keys of base metal.

Are there material specifications for the brass key blanks?

Key blanks are described as brass alloys, commonly Cu 58‑62 % and Zn 35‑40 % with trace lead, matching industry grades like CuZn36 used in standard key‑cutting specifications.

What certifications should a buyer request for the electronic lock products?

Buyers should request CE marking for EU markets, UL or CSA listings for North America, and any applicable RoHS/REACH compliance documents, together with functional test reports for battery life and IP rating.

What are the typical packaging methods for these hardware items?

Smart locks are usually packed in anti‑static bags inside reinforced cartons, while brass key blanks and door openers are placed in moisture‑resistant boxes on wooden pallets for container loading.

What Incoterms are commonly used for shipments from Hong Kong?

Exporters from Hong Kong frequently use FOB Hong Kong for buyers who prefer to arrange freight, or CIF to the destination port when the seller handles transportation and insurance.

What is the usual lead time for an order of smart door locks?

Lead times for smart lock production and quality inspection typically range from 30 to 45 days after order confirmation, depending on order size and required testing.

Is a sample available before placing a full order?

Yes, the supplier can provide pre‑shipment samples of lock units or key blanks; buyers should request a sample together with a material test report to verify compliance before confirming larger volumes.