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Articles for engineers and buyers on preparing drawings, specifying materials and finishes, and ordering custom parts manufactured in China.
EXW (Ex Works) Explained for Buyers of Manufactured Parts from China
What EXW means under the Incoterms® 2020 rules: buyer and seller duties, risk transfer, export clearance, insurance, and a practical checklist for buyers.
How to Prepare a Drawing Package for a Machining RFQ
What a machining RFQ package needs: drawing and 3D model, revisions, general tolerances, surface finish, material and finish callouts, quantities.
Choosing an Aluminum Alloy for CNC Machined and Sheet-Metal Parts: 6061, 5052, 6063 and 7075
How 6061, 5052, 6063 and 7075 aluminum compare in strength, machinability, formability and anodizing response, with sourced data for drawing callouts.
Chinese New Year 2027: How to Plan Production of Custom Parts in China
Plan custom parts production around Chinese New Year 2027: verified holiday dates, factory closures, tooling, first articles, EXW collection and freight.
Anodizing Aluminum Parts: What to Specify on the Drawing
Coating type, thickness class, hard anodizing, color limits, masking, growth and sealing: what an anodizing callout needs, per ISO 7599 and ISO 10074.
Important notice: the articles are provided for general information only, do not constitute professional advice and create no obligation on the part of HONG KONG PRIMEAXIS PRECISION LTD. See the notice in each article and our Terms of Use.
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