Vitrine de HVEELCHEN qihong rubber and plastic products co.ltd

Samedi 17 janvier 2009

Quantité : 1000mt - Prix : $400

Subject: Re: coal tar pitch We specialized in producing coal tar pitch, soft pitch, modified pitch, specifications as following soft pitch grade A and grade B softening point: grade A 80-90 grade B 75-95 Toluene insoluable 15%-25 % below 25 % Quinolene insoluable below10% xxx ash below0...