Products Introduction

  • SMC Co.,Ltd composite manhole cover is made ofSMC(Sheet Molding Compound).
    SMCis a fibre-reinforced material, which consists primarily of a thermosetting resin glass fibres
    and filler.
    SMCis a high tech material that is used in the manufacturing process in most of our products ranges.
    The advantage of SMC include, high impact compressive, flexural and tensile strength along with
    temperature stability

Shape : Square

Safety Load : Over 23.500kgf / 23.5Ton

Shape : Rectancular

Safety Load : Over 23.500kgf / 23.5Ton


Electric power pipeline well , Low voltage Joint Box Cover for underground line

Telecommunication pipeline well

Street lamp well, fire control well, all kinds of valve wells.

City water, drainage pipeline well , heat supplied, gas well.


Environmental protection : non-toxicity raw material ,

Long Life : uV Coating, anti-corrosion, anti-rust, anti-abrasion,

Competitive price : lower than standard cast iron one.

Convenient transportation and installation reduce work intensity.

Nice appearance : Rich colors and customer desire text or
company log are available

Anti-theft : Non-recycle value for anti-theft.

Low noise.

Slip Resistant Surface.

Easy Handling No Heavy.

Secure, Lockable & Watertight Cover.

Quick & Easy Assembly.

Product & Testing

Certificated & Testing


ASTM G 53 (1991)

ANSI C29.11(1989)

KSM6616 : NBR Packing

ADDRESS: 6, Yulma-ro 194beon-gil, Geomuldae-ri, Daegot-myeon, Gimpo-si, Gyeonggi-do, Republic of Korea TEL: 031.997.8704 FAX: 031.997.8705 E·mail:info@grptank.com