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In TRK, we use SA grade coupler and our specialized production team covers from coupler production to prefabrication for our customers.

We are devoted to simplify the process and keep our quality control standard to increase the efficiency of product delivering and most importantly, to help our customers to reduce the total construction budgets.

Our product includes:

1. SA grade Coupler

2.  Anchor

Size: D13  -D36(#4  ~ #11)

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