2 trademarks were found for owners matching the name Quechen Silicon Chemical Co Ltd.
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1 TM: 2342211
Desc: BIOSIL

Owner: QUECHEN SILICON CHEMICAL CO., LTD.
Class: 1
Status: Published: Under examination
2 TM: 2342221
Desc: RHASIL

Owner: QUECHEN SILICON CHEMICAL CO., LTD.
Class: 1
Status: Protected: Registered/protected