by Edward lee | Aug 25, 2026 | Blog
Key Takeaways USAP approval unlocks tournament play. It is held by the brand, not the factory. Approval covers dimensions, roughness, friction and reflection, not build quality. Limits: Rz ≤ 30 µm, Rt ≤ 40 µm, COF ≤ 0.1875, gloss ≤ 80 GU, length ≤ 17 in, length plus... by Edward lee | Aug 25, 2026 | Blog
Key Takeaways Verification is a process: desk research, production evidence, third-party checks, samples, contracts. The USAP approved list is public, but it is organized by brand, not factory. A live video tour is the fastest credibility test. Data you verify... by Edward lee | Aug 25, 2026 | Blog
Key Takeaways A factory owns production, tooling and QC. A trading company sells capacity it does not own. Factories win on unit cost, customization and iteration speed. Trading companies win on small mixed orders, convenience and English communication. Verify, never... by Edward lee | Aug 25, 2026 | Blog
Key Takeaways Ask in writing. Verify by video call and sample. Good answers are specific. Vague answers are red flags. MOQ: 200 units per model and color for standard builds. Samples: 7–15 days, $30–80, refundable against the first order. Bulk: 30–40 days for 2,000... by Edward lee | Aug 25, 2026 | Blog
Key Takeaways Write the spec before contacting suppliers: face, core, thickness, weight, surface. Factories and trading companies answer differently. Verify with evidence, not claims. A real factory shows in-house processes: cold press, thermoformed, printing, QC.... by Edward lee | Aug 25, 2026 | Blog
Key Takeaways Surface finish is a product decision. It sets look, spin, feel, durability and branding. Four families: raw carbon, matte coating, textured grit, sanded. Spin comes from surface friction, not from carbon itself. Sprayed grit loses ~100 RPM after 100...