About Walthy Precision Co., Ltd. - Precision Components Supplier in China

Walthy Precision Co., Ltd. is based in China and currently lists 26 active products across a mix of precision machining, semiconductor, and metal‑working categories. The catalogue spans items such as mounted precision air slits, micro drilling services, customized jigger tubes (HS 7304.49, stainless steel SUS316/316L), high‑power copper pinholes (HS 7419.99, Cu 99.9 % electrolytic), TEM grids (HS 9011.90, high‑purity Cu/Ni/Gold/Mo), silicon carbide wafers (HS 8542.31, 4H/6H polytype, purity ≥ 99.95 %), and sapphire bearings (HS 9114.10, synthetic Al₂O₃).

The supplier’s top categories include Drilling Machines & Tools, Agriculture, Tools & Instruments, Industrial Machinery, Welding Wires & Supplies, Stainless Steel Tubes, Industrial Tapes/Films and Silicon Wafer. Each product entry references the relevant HS‑code family where provided, and material specifications are noted for metal and ceramic items, giving buyers a clear technical snapshot without extrapolating beyond the supplied data.

Product Range and Specialties of Walthy Precision Co., Ltd.

The catalogue offers a variety of high‑precision components: custom air slits, laser fine cutting services, ceramics drilling and cutting, selective etching, polyimide cutting, and a suite of substrate and wafer products such as CVD diamond wafers, silicon carbide wafers, and sapphire tubes or rods. In the metal sector, the company lists welded tubes, customized jigger tubes (SUS316/316L) and high‑power copper pinholes, which typically conform to ASTM A312 for stainless steel tubes and ASTM B189 for OFHC copper. Semiconductor‑related items like SiC wafers are usually supplied in standard diameters of 2‑6 inches with thicknesses from 250 µm to 800 µm, and purity levels of 99.95 % or higher. Sapphire bearings and rods are commonly produced from synthetic Al₂O₃ with hardness around 9 on the Mohs scale and are used in high‑frequency or optical applications.

Trade and Export Information - Walthy Precision Co., Ltd.

China is a major exporter of precision machining components, semiconductor wafers, and specialty metals. Products in HS 7304 (steel tubes), HS 7419 (copper products), HS 8542 (semiconductor wafers) and HS 9114 (ceramic goods) are routinely shipped to North America, the European Union, and Southeast Asian markets under Incoterms such as FOB Shanghai or CIF Hong Kong. Buyers typically require certifications like ISO 9001 quality management, CE marking for electronic‑grade wafers, RoHS compliance for copper and semiconductor items, and material test reports for stainless steel and sapphire parts. Packaging for wafers and sapphire components often involves anti‑static, clean‑room‑grade trays and bubble‑wrap within 20‑ft or 40‑ft containers, while metal tubes are usually palletized with protective film.

Sourcing from Walthy Precision Co., Ltd. - Buyer Guidance

When sourcing from Walthy Precision, request mill test reports for stainless‑steel tubes (confirm SUS316/316L grade, tensile strength, corrosion resistance) and purity certificates for copper pinholes and SiC wafers. Samples should be inspected for dimensional tolerance (e.g., ±0.01 mm for jigger tubes, wafer flatness ≤ 5 µm) and surface finish (e.g., Ra ≤ 0.2 µm for optical slits). Verify that the supplier can provide ISO 9001 or equivalent quality system documentation, and confirm that any semiconductor wafers meet the buyer’s required specification such as IEC 60730 or JEDEC standards. Prior to full order, arrange a pre‑shipment inspection under the buyer’s chosen inspection agency to validate material, dimensions and packaging.

What HS codes are associated with the stainless‑steel jigger tubes and copper pinholes?

The customized jigger tubes are listed under HS 7304.49 and the high‑power copper pinholes under HS 7419.99, both matching the standard Chinese export classifications for stainless‑steel tubes and copper products.

Which material standards apply to the SUS316/316L tubes?

SUS316/316L tubes typically comply with ASTM A312, which defines chemical composition, mechanical properties and corrosion resistance for austenitic stainless‑steel seamless and welded tubes.

What purity levels are offered for silicon carbide wafers?

The SiC wafers are specified with a purity of at least 99.95 % and are available in the 4H or 6H polytype, which are the common grades used in power electronics and high‑temperature devices.

Are there standard certifications buyers should request for the sapphire bearings?

Buyers should request a material test report confirming synthetic Al₂O₃ composition, hardness (≈9 Mohs), and any applicable ISO 9001 or ISO 14001 quality system certificates.

What packaging is used for the wafer and substrate products?

Wafer and substrate items are normally packed in anti‑static, clean‑room‑grade trays, stacked in insulated boxes, and then loaded into 20‑ft or 40‑ft containers with moisture‑absorbing packs to protect against contamination.

What are typical minimum order quantities (MOQ) for the custom glass substrates?

MOQs vary by size and finish, but suppliers in China often set an MOQ of 500 units for standard glass substrates, with larger runs required for specialized etching or patterning services.

Which inspection agencies are commonly used for these precision components?

International agencies such as SGS, Bureau Veritas, and Intertek conduct pre‑shipment inspections for metal tubes, wafers and sapphire parts, checking material certificates, dimensions and packaging compliance.

What Incoterms are most frequently used for exporting these products from China?

FOB Shanghai and CIF Hong Kong are the most common Incoterms for precision components, allowing buyers to control freight and insurance according to their logistics preferences.