按JB/T7977-99標準製造，材質為HT200-300
，xingzhuangweigongxingqiao，zhiyouyigegongzuomian，qiaoxingpingchigongzuomiancaiyongguayangongyi，shiyonglaicelianggongjiandezhixianduhepingmiandudejingmiyanju，zhuyaoyongyujichuangdaoguideceliangyanmohepingbanpingtaideyanmoceliangshishiyong，shiyongwendu（20±5）℃。