Steam distillation, SFE-CO2 (two-stage 18/42°C + 26/52°C; recovery ≥97%, amides ≥21.5%), or subcritical + molecular distillation (CN111621365A); SFE-CO2 preferred for complete ma-la sanshool profile.

Commercial invoice, packing list, B/L or AWB, batch COA, China origin certificate (Form E on request), phytosanitary, MSDS, free-sale/health, halal/kosher/organic; originals in 48h.

REACH-compliant as a naturally occurring substance (physical extraction, no modification); CLP SDS, SVHC-screened, (EC) No 1334/2008 and 1223/2009 support; EU SDS in 23 languages.

3 ml–100 ml amber glass, aluminum bottles, 1–25 L HDPE, 25–180 kg sealed drums; nitrogen flushing, inert liners, eco-packaging; artwork-to-production 7–14 days.

Heating massage oils 1–2%, thermal slimming 0.5–1.5%, muscle-relief balms 0.5–1%; sensation-rich 'instant warm' cue; pairs with capsicum; avoid face, patch test.

Acknowledge ≤24h, investigate ≤5 working days with retained samples (held 36 months), written report ≤10 days, resolution ≤15 days; third-party arbitration supported.