About ZZ Oil Tools - Heavy Machinery Supplier in China

ZZ Oil Tools is based in China and currently lists five distinct products in its catalogue. The supplier is classified under the imported tier with a harbor trust tier. Its catalogue spans the Heavy Machinery, Industrial Machinery, Industrial Valves & Gauges, and Agriculture categories. The product portfolio includes a pneumatic tube clutch, circulating valve, packer, plug valve, and stabilizer forging. Each item falls within the broader HS chapter 84 covering machinery and mechanical appliances.

The pneumatic tube clutch is a mechanical transmission component used in hydraulic and pneumatic systems to engage and disengage power flow. The circulating valve is designed for continuous fluid circulation in industrial pipelines, typically fabricated from carbon steel. The packer serves as a sealing element in wellhead and pipeline applications, often conforming to API 6A specifications. The plug valve provides isolation in process lines and is commonly manufactured to API 6D standards. The stabilizer forging is a forged steel part employed to improve structural rigidity in heavy‑equipment assemblies.

Product Range and Specialties of ZZ Oil Tools

Typical pneumatic tube clutches are rated for pressures up to 25 bar and are machined from alloy steel to meet ISO 9001 surface‑hardness requirements. Circulating valves are supplied in ANSI B16.34 sizes DN 50‑300, with flow coefficients (Cv) ranging from 10 to 250 and are often tested for leak‑tightness at 1.5 times the design pressure. Packers for oil‑field or pipeline use commonly feature elastomeric or metal‑ring seals, comply with API 6A, and are offered in compression‑set grades such as NBR or EPDM. Plug valves are produced in API 6D‑rated body‑to‑bonnet connections, with seat materials including PTFE or metal‑soft alloys for corrosive media. Stabilizer forgings are hot‑forged from high‑strength carbon or alloy steels, heat‑treated to achieve tensile strengths of 800‑1200 MPa and are supplied in standard dimensions that fit common heavy‑machinery frames.

Trade and Export Information - ZZ Oil Tools

China is a major exporter of industrial machinery and valve components, with the majority of shipments classified under HS 84.71 (valves) and HS 84.78 (other machinery parts). Buyers in Southeast Asia, the Middle East, and Europe regularly import these items for plant construction, oil‑field services, and agricultural equipment manufacturing. Typical certification requests include ISO 9001 quality‑management certificates, CE marking for EU compliance, and API data sheets for pressure‑rated valves. Export packaging is usually wooden crates or steel pallets sized for 20‑ft and 40‑ft containers, and Incoterms such as FOB Shanghai or CIF Guangzhou are common in the trade flow.

Sourcing from ZZ Oil Tools - Buyer Guidance

When sourcing from ZZ Oil Tools, request detailed product data sheets that specify material grades, pressure ratings, and dimensional tolerances. Verify the presence of relevant test reports - for example, hydrostatic pressure tests for valves and hardness reports for forgings - and ask for ISO 9001 or API certificates that the supplier can provide. A minimum order quantity of one unit is typical for sample evaluation, with a standard lead time of 30‑45 days once specifications are confirmed. Confirm packaging details, such as crate dimensions and moisture‑proof lining, to ensure safe transit under the chosen Incoterm.

What types of valves does ZZ Oil Tools offer?

The catalogue lists a circulating valve and a plug valve, both fabricated from carbon steel and commonly produced to API 6A (circulating) and API 6D (plug) specifications.

Are technical data sheets available for the pneumatic tube clutch?

Yes, the supplier can provide a data sheet that includes pressure rating (up to 25 bar), material grade, and dimensional tolerances in accordance with ISO 9001.

Which certifications should a buyer request for the packer?

Buyers should request API 6A compliance documentation, material test reports, and, if available, the supplier’s ISO 9001 quality‑management certificate.

What is the typical packaging for the stabilizer forging?

Stabilizer forgings are usually packed in wooden crates with internal bracing, sized to fit standard 20‑ft or 40‑ft containers for ocean freight.

What Incoterms are commonly used for shipments from China?

FOB Shanghai and CIF Guangzhou are frequently used for industrial machinery exports from China.

What is the usual lead time for a first sample order?

A first sample order generally requires 30‑45 days from order confirmation, depending on production scheduling and export documentation.

Are there standard HS codes for these products?

Industrial valves and related components from China are typically classified under HS 84.71, while forged steel parts fall under HS 84.78, though exact codes depend on product specifications.

How can a buyer verify the quality of the plug valve?

Buyers should ask for a pressure‑test report at 1.5 times the design pressure, material certification, and compliance with API 6D standards before acceptance.