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About us
Gain Express Holdings Ltd - We are a professional supplier of all kinds of testing instruments based in Hong Kong. We supply a wide range of products w/ CE approval and our factory is certified by EN ISO9001-2000. You can easily find our company's background via search engines. ie. Google or Yahoo
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Seller feedback (79,454)
2***a (467)- Feedback left by buyer.
Past 6 months
Verified purchase
Accurate works good! Thank you! First picture is the ring that I bought from Special Bonnie, posted as a diamond but it test as moissanite! The second pic is my ring.
g***m (137)- Feedback left by buyer.
Past month
Verified purchase
Exactly as described
r***i (340)- Feedback left by buyer.
Past 6 months
Verified purchase
Fast delivery and working as it should
d***d (1629)- Feedback left by buyer.
Past month
Verified purchase
Good
n***p (856)- Feedback left by buyer.
Past month
Verified purchase
Thanks this is a nice tool to check the height of light above the sweet spot of the plant.. PAR Meter Works great.
u***e (85)- Feedback left by buyer.
Past 6 months
Verified purchase
Very satisfied with the delivery and the product.