molecular formula (c h o )nis a crystalline plastic resin and the most common type of polyester. it has excellent mechanical property,... anyang chemical industry group co.,ltd. china category: chemicals | polymers anyang chemical industry group co.,ltd. china contact now bottle grade pet chips this...
molecular formula (c h o )nis a crystalline plastic resin and the most common type of polyester. it has excellent mechanical property,... anyang chemical industry group co.,ltd. china category: chemicals | polymers anyang chemical industry group co.,ltd. china contact now bottle grade pet chips this...