Construction works  660nm

{"cid":"108433","pid":"21180596","pimg_url":"\/\/img1.b2bforus.com\/d7\/f3\/3f2a82054bbd\/product\/70489716_s-w400xh400.jpg","name":"Building Material Stores 660nm Red CW Laser For Spectrum Analysis","attrs":{"Price":"Negotiable","MOQ":"1 Unit","Delivery Time":"Negotiable","Brand":"CNI"}}

{"cid":"108433","pid":"21180587","pimg_url":"\/\/img1.b2bforus.com\/d7\/f3\/3f2a82054bbd\/product\/70489677_s-w400xh400.jpg","name":"Building Material Shops Longitude 660nm Single Mode Laser","attrs":{"Price":"Negotiable","MOQ":"1 Unit","Delivery Time":"Negotiable","Brand":"CNI"}}