China ductile iron nodular cast iron square manhole cover

{"pid":"15357505","cid":"61036","pimg_url":"\/\/img1.b2bforus.com\/39\/1d\/d5acefa99cfd\/product\/41651064_s-w400xh400.jpg","name":"ggg500-7 Ductile Customizable Customizable Nodular Cast Iron Cover Rainwater Square Manhole Cover","company_name":"Shandong Julin Metal Material Co., Ltd.","attrs":{"Price":"Negotiable","MOQ":"1.0 Tons","Delivery Time":"Negotiable","Brand":"Jvlin"}}