We specialize in smooth global shipments with reliable double clearance and all export paperwork included. Our packaging ensures fast customs release.5 warehouse hubs across China let us deliver faster to your region. PMK 28578-16-7 & BMK 5449-12-7 – available in both powder and oil. 28578-16-7 pmk powder 5449-12-7 bmk powder Complete CAS lineup: 28578-16-7, 5449-12-7, 49851-31-2, 1451-82-7