一阴吞两阳与macd的关系,亚洲精品无码中文久久字幕,欧美牲交黑粗硬大,狠狠的干性视频

SHANDONG YUELONG
RUBBER&PLASTIC TECHNOLOGY CO.,LTD.
Products
Products Type  

bulk material hling hose (hard wall) XM10 XM20

? application:

f delivery suction of barite, dry powder, cement other abrasives.

? hose structure:

tube: black, sbr/nr blended rubber elastomer, wear resistance, acid & alkali resistance

reinfcement: high tension tensile fabric, helix steel wire

cover: black, blended polyisoprene rubber butadiene rubber, wear resistance, ozone resistance, weather/ageing resistance

? temperature range: -30℃ to + 100℃

KeyWord:bulk material hling hose (hard wall)
 +86-535-2615988
 Contact us