R&D and customization
Custom particle size, bulk density, hydration form and granulation to match your formulation.
About Guangda - Food Grade Calcium Manufacturer in Yantai, China
We are a source factory focused on one thing: producing safe, consistent, high-purity calcium salts for the global food, beverage, supplement and pharmaceutical industries.
Our Story
Guangda was founded in Yantai, Shandong, one of China's most important coastal industrial and port cities. Starting with calcium carbonate and calcium citrate, we have grown into a calcium salts series manufacturer with more than 15 products covering organic, inorganic and chelated calcium.
Our modern plant integrates synthesis, purification, drying, milling, granulation and automatic packing. An in-house laboratory equipped with ICP-MS, AAS, HPLC and laser particle size analysers tests every batch before release.
As a reliable calcium salt manufacturer in Yantai, we work with importers, distributors and brand owners in North America, Europe, the Middle East and Asia, providing factory-direct supply, stable lead times and export-ready documentation.
- 30,000 MTAnnual capacity
- 50,000+Plant area (m²)
- 40+Export countries
- 24/7Inquiry response
Our Capabilities
Large-scale production
Automated production lines with stable annual capacity for long-term supply contracts.
Quality laboratory
Full testing of assay, heavy metals, microbiology and particle size on every batch.
Warehousing and logistics
Dedicated clean warehouses and container loading close to Yantai and Qingdao ports.
Quality Control System
Our quality system is built on FSSC 22000 and HACCP principles, with full traceability from raw material to finished goods.
- 1Raw material qualification and incoming inspection
- 2In-process control at every critical control point
- 3Finished product testing and CoA for each batch
- 4Retention samples kept for the full shelf life
- 5Batch traceability and supplier audits welcome
Certifications
Certified for the world's strictest markets
Our certificates are shared with every quotation, so your QA team can approve us as a supplier quickly.
- FSSC 22000
- ISO 22000
- ISO 9001
- ISO 14001
- GMP
- FDA
- Kosher
- Halal
- Production Licence (SC)
Factory Strength
Inside our production base
Mission & Values
Mission
To make high-quality calcium nutrition accessible to food and health brands worldwide.
Quality first
Every batch is tested; no batch leaves the factory without a passing CoA.
Partnership
Transparent pricing, honest communication and long-term supply security.
Logistics & Communication
From inquiry to delivery, on time
- 1
Inquiry & quotation
Reply within 24 hours with price, CoA, MSDS and certificates.
- 2
Free sample
Samples dispatched by DHL, FedEx or UPS within 2-3 days.
- 3
Production & QC
Stock grades ready in 7 days, customized grades in 15-20 days.
- 4
Shipping & documents
FOB, CIF or DDP from Yantai or Qingdao with full export documents.
Quick Answers
Is Guangda a factory or a trading company?
Guangda is a factory. As a reliable calcium salt manufacturer in Yantai and a B2B calcium ingredients supplier in Shandong, we run raw material selection, synthesis, drying, milling, packing and QC in our own plant, so you get factory direct supply of food grade calcium without middlemen.
Which certifications do you hold?
We are an ISO HACCP certified calcium factory in China holding FSSC 22000, ISO 22000, ISO 9001, ISO 14001, GMP, FDA registration, Kosher, Halal and the Chinese food additive production licence (SC).
How do you control heavy metals?
We select low heavy-metal raw materials, use food grade stainless-steel equipment and test every batch for lead, arsenic, mercury and cadmium. Our limits meet GB, USP, FCC, EU Regulation (EU) No 231/2012 and JECFA requirements.
Get in Touch
Get a quote and a free sample today
Share your product, grade and quantity. Our export team replies within 24 hours.
- 24/7 fast inquiry response
- Free samples, CoA & MSDS
- Complete international certifications
Request a Quote & Free Sample
Tell us the product, grade, quantity and destination port. Our export team replies within 24 hours with price, CoA and MSDS.