Naringin is a natural citrus flavonoid extracted from pomelo and citrus peels. Our naringin raw material adopts advanced purification technology to reach premium supplement grade with high purity, free of synthetic additives. Rich in antioxidant activity, this citrus flavonoid boasts multiple health benefits, widely used as bulk raw material for dietary supplements, functional foods and nutraceutical products. As a reliable China manufacturer, we offer stable wholesale supply, complete HPLC test reports and customizable specifications to meet global buyers’ production demands.

We are pleased to announce that our company will participate in both CPHI Shanghai and CPHI Shenzhen 2026.

We are pleased to announce that we will participate in SupplySide West Exhibition, a premier event for health and nutrition professionals, to be held at Mandalay Bay Convention Center in Las Vegas, USA, from October 28 to 30, 2026.Welcome to visit our booth to discuss more collaborative projects.

CPHI & PMEC Shenzhen ,16-18 September 2026 ,Shaanxi Lvqing Bioengineering Co., Ltd.

CPHI & PMEC China 2025 is Asia’s leading pharmaceutical exhibition, bringing together global pharma professionals, suppliers, and innovators under one roof. Held from June 24–26 at the Shanghai New International Expo Centre (SNIEC), this premier event offers unmatched opportunities for networking, sourcing, and discovering the latest in pharma technology and solutions.

Vitafoods Europe 2019 was held from May 7th to May 9th, Palexpo Geneva Switzerland, the world’s top authoritative nutraceutical raw material exhibition hosted by Informa Group UK. Over 1200 exhibitors and 24,200+ professional buyers from 110+ countries gathered for raw material sourcing, technical communication and industry trend sharing. As a professional Chinese plant extract manufacturer, Shaanxi Greenqing Bio’s sales & R&D team traveled to Geneva for on-site exhibition and business negotiation.

Quercetin is a natural flavonoid extracted from Sophora Japonica bud. We supply quercetin powder with 95% and 98% purity tested by HPLC. As a powerful antioxidant raw material, it is widely exported to global manufacturers of dietary supplements, functional foods and cosmetics. Our quercetin features stable activity, strict quality control and consistent batch supply. We can provide customized particle size and full COA documents to meet your production requirements.

Kaempferol 98% Powder (CAS 520‑18‑3) is high‑purity natural flavonoid extract from Sophora japonica. It is widely used in nutraceutical supplement, cosmetic anti‑aging raw material and scientific research. We provide bulk supply & sample service with full COA, MSDS documents.

New‑batch botanical raw materials are available now. Ferulic Acid can deliver 3MT; single‑peak Curcumin reaches 10MT, three‑peak Curcumin 5MT; Luteolin has spot stock of 1,036 kg. All products have passed Eurofins third‑party testing. Welcome global customers for inquiry and quotation.