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Yiwu Jiahe Optical Instrument Co., Ltd 15yr.
Contacts jiangyanling Chat
Mobile 13735650618
15268668906
Warm Tip:
The adjustable feature of the hand-tuned is convenient, but it is prone to misalignment due to accidental collisions, requiring re-adjustment.
Internal hexagon adjustment is troublesome because it requires tools, but once it's set, it doesn't need to be adjusted again because there's a protective cover to cover it.
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