Tianjin Xingyu Fertilizer Industry Co., Ltd.
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Inspection certificates

As a fertilizer supplier for many years, our company not only provides a variety of

water soluble magnesium fertilizer, we also attach great importance to product quality inspection.


First step:

When we purchase the material from the fertilizer supplier, we will inspect the MgO content, 90% MgO

can ensure our production of magnesium sulfate with high purity.


Second step:

During production, in order to have 100% water soluble magnesium fertilizer, our QA will inspect

the water insouble matter for more than 3 times.


Third step:

After prodcution, each batch of products will be casual inspection.


We also accept the third-party inspection, such as SGS, INTERTEK.