We are Shanxi Donghao mentals and minerals company in China. Our foundry was founded in 1990, and located in the heavy industry province of China. We are a professional manufacturer with many years of experiences in producing all varieties of manhole cover & frame, casting iron pipe, ductile iron pipe fitting, flange, and valve. All manhole covers and gratings are according to EN-124, from A15 to F900. Our products have passed the inspection of MPA, MFPA (Germany) and ITB (Poland), and now we are applying the certificate of AENOR (Spain). And our factory has passed ISO9001:2000. We can manufacture this standard products as customers requested. if you are interested in our products, please send me your detail requirement (specification, design drawings).We will offer you the attractive price and high quality products.We won't be disappointed to you. Look forward to hearing from you soon. Best regards Selina Chi E-mail: Tel:86-351-5697730 Fax:86-351-5697748 Mobile Phone: 13191095995 Skype:selina5995 MSN::