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Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Stretch bending of building profiles

Hyperbolic process

Twisting process

Stretch bending of building profiles

建筑型材拉彎

建筑型材拉彎

建筑型材拉彎

建筑型材拉彎

建筑型材拉彎

建筑型材拉彎

建筑型材拉彎

建筑型材拉彎

建筑型材拉彎（雙曲工藝）

建筑型材拉彎（扭曲工藝）

建筑型材拉彎