| Cover size | Clear opening | Frame size | Load grade |
| 700x50mm | 650mm | 795x75 | D400 |
Standard: BS EN124
Technicial: High Temperature Molding
Tailor to various customer’s needs, including customized plates, logos, panel design and colors.
Zibo Best Energy-saving Materials Co., Ltd. was established in 2004, specializing in producing and supplying composite materials(SMC/BMC) sewer cover, drain grating ,tree-grating, gully grating. Strictly in accordance with BS EN124 and have obtained various kinds of certificates. Till now, our competitive products not only have good market in domestic, but also owned a large overseas market with a high reputation.