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.

Are you a bulk food grade calcium citrate powder supplier?

Yes. We are a bulk food grade calcium citrate powder supplier producing calcium citrate tetrahydrate to GB 1903.14, USP and FCC, with lead ≤2 ppm and arsenic ≤3 ppm. It is widely used as calcium citrate powder for dietary supplements and fortified foods.

What is the food grade calcium citrate powder price?

The food grade calcium citrate powder price depends on grade (GB/USP/FCC), particle size, packaging, order quantity and the citric acid market. Send us your volume and destination port and we will quote FOB, CIF or DDP within 24 hours.

Do you provide free samples?

Yes. We send free samples (100-500 g) of any product together with the CoA and MSDS. Buyers usually pay the courier freight only, which can be credited against the first order.

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).

Calcium Ascorbate: Benefits, Uses & Facts

Technical Guides 2026-09-25

Food Grade Calcium Ascorbate Supplier: How to Choose a Reliable Partner

Looking for a food grade calcium ascorbate supplier? Learn key selection criteria, quality standards, and how to verify a calcium manufacturer or supplier.