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Premium Tartaric Acid Solutions

Hangzhou Regin Bio-Tech Co., Ltd. – trusted manufacturer since 1989, delivering high-purity tartaric acid series products globally with ISO-certified quality assurance.

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About Regin Bio-Tech

Hangzhou Regin Bio-Tech Co., Ltd. was founded in 1989 and has grown to become one of the largest and oldest manufacturers of tartaric acid series products in China. With over 30 years of experience, we specialize in producing high-purity organic acids and derivatives for food, construction, pharmaceutical, and industrial applications.

Our commitment to innovation, quality, and sustainability has earned us ISO 9001:2015 and ISO 14001:2015 certifications, ensuring that every product meets international standards and customer expectations.

30+
Years of Experience
23+
Countries Served
L(+)-Tartaric Acid Crystals

Our Products

High-purity tartaric acid and derivatives engineered for performance, safety, and consistency across industries.

L(+)-Tartaric Acid Food Grade

L(+)-Tartaric Acid

Food Grade

  • Purity: ≥99.7%
  • Appearance: White crystalline powder
  • Applications: Food additives, beverages, pharmaceuticals
L(+)-Tartaric Acid Construction Grade

L(+)-Tartaric Acid

Construction Grade

  • High solubility in water
  • Used in cement retarders
  • Stable under high-temperature conditions
DL-Tartaric Acid

DL-Tartaric Acid

Industrial Grade

  • Synthetic racemic mixture
  • Purity: ≥99.0%
  • Applications: Electroplating, metal treatment
D-(-)-Tartaric Acid

D-(-)-Tartaric Acid

Pharmaceutical Grade

  • Optically active form
  • Used in chiral synthesis
  • Purity: ≥99.5%
Potassium Bitartrate

Potassium Bitartrate

Cream of Tartar

  • Natural byproduct of winemaking
  • Food additive E336
  • Stabilizer in baking powders
Potassium Sodium Tartrate

Potassium Sodium Tartrate

Rochelle Salt

  • Soluble in water
  • Used in Fehling’s solution
  • Piezo-electric applications

Antimony Potassium Tartrate

Tartar Emetic

  • Used in analytical chemistry
  • Historical medicinal use
  • Requires careful handling

Custom Tartaric Derivatives

OEM & ODM Services

  • Bulk synthesis
  • Custom packaging
  • Private labeling available

Why Choose Regin Bio-Tech?

Decades of expertise, global compliance, and customer-focused innovation set us apart.

ISO-Certified Quality

Certified under ISO 9001:2015 and ISO 14001:2015 standards, ensuring consistent product quality and environmental responsibility in every batch.

Global Reach

Serving over 23 countries with reliable logistics, multilingual support, and regulatory compliance for food, pharma, and industrial markets.

Advanced Facilities

State-of-the-art manufacturing plant located in Yuqian Industrial Park, Hangzhou, equipped for large-scale, high-purity production.

1989
Founded
30+
Years Experience
8
Core Products
23+
Countries Served

Frequently Asked Questions

What is the difference between L(+)-Tartaric Acid and DL-Tartaric Acid?

L(+)-Tartaric Acid is the naturally occurring form found in grapes and tamarinds, commonly used in food and pharmaceuticals. DL-Tartaric Acid is a synthetic racemic mixture used primarily in industrial applications such as electroplating.

Are your products compliant with international food safety standards?

Yes, our food-grade L(+)-Tartaric Acid and Potassium Bitartrate meet international standards including FCC, USP, and EU food additive regulations.

Can you provide custom packaging and labeling?

Absolutely. We offer OEM and ODM services with customizable packaging sizes, labels, and private branding for bulk orders.

What certifications do you hold?

We are certified under ISO 9001:2015 (Quality Management) and ISO 14001:2015 (Environmental Management), ensuring consistent quality and sustainable operations.

Get in Touch

Reach out for product inquiries, bulk orders, or technical support.

Phone & WhatsApp

+86 167 1251 3076

+86 18651852452

Email

[email protected]

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