Shortlist, licence and capacity checks, and an on-site visit before you commit.
Three to five comparable quotes, itemised, so you can see what you are actually paying for.
Samples and first article inspection approved before the batch runs, with tooling ownership written into the order.
Milestone checks, dimensional reports and consolidation before anything is released.
A standing presence on the factory floor for buyers running several programmes at once.
Welding distortion and late delivery solved — stable tolerances, holes matched on site, repeat orders.
一个 STEP 文件、一份 PDF 或一张零件照片就够了。48 小时内你会拿到供应商短名单、分项比价和一份切实可行的时间表。