01 · CATEGORY VISUALIZATION · AVAILABLE BY RFQ
Additional tube families
PU, PE, PTFE and other tube types can be included in an inquiry. The current model and required quantity are checked before quotation.
Request this category →Pneumatic tubing at the core—not the limit of what we supply.
FRPU is the flagship range. HOLID also supplies standard PU and PA6 tubing, push-in fittings, hydraulic shock absorbers, air preparation units, pneumatic turbine vibrators and other catalog products through one company RFQ.
CATEGORY DIRECTORY
A broader catalog built around a clear technical core.
Buyers can begin with one tube and continue into fittings, shock absorbers and related automation components. Products without a published model page remain available by RFQ; the exact model, quantity, specification and packing are confirmed before quotation.
01 · Flagship tubingFRPU flame-retardant tubePublished specifications →02 · TubingStandard PU pneumatic tube7 sizes published →03 · TubingPA6 nylon tube26 combinations published →04 · TubingPTFE & additional tube familiesAvailable by RFQ →05 · FittingsUnion · elbow · reducer · tee · threadedFour stock groups published →06 · AutomationHydraulic shock absorbersAvailable by RFQ →07 · AutomationAir preparation · turbine vibratorsAvailable by RFQ →
EXTENDED FACTORY CATALOG
Four more product groups available through the same RFQ.
Hydraulic shock absorbers are supported by a real factory stock record. Other cards are clearly marked category visualizations. Zhang Chongke confirms the current model, quantity, packing and export specification before issuing a price.
02 · REAL FACTORY STOCK RECORD · AVAILABLE BY RFQ
Hydraulic shock absorbers
Shock absorbers are part of the current supply range. The exact series, stroke, thread, quantity and application are matched during the inquiry.
Request shock absorbers →
03 · CATEGORY VISUALIZATION · AVAILABLE BY RFQ
Air preparation
Filter, regulator and lubricator families are available for project-level review and model matching.
Request air preparation →
04 · CATEGORY VISUALIZATION · AVAILABLE BY RFQ
Pneumatic turbine vibrators
GT-type and related pneumatic vibrator requirements can be quoted after the application and current model are confirmed.
Request turbine vibrators →Available by RFQ · visual evidence type is identified on every card · exact models confirmed before quotation.
Published online now
Seven FRPU sizes, seven standard PU sizes, 26 PA6 size/wall combinations and four documented fitting groups.
Available by RFQ
PTFE and other tubes, hydraulic shock absorbers, air preparation units and pneumatic vibrators can be quoted after current model matching.
Flagship rangeFRPU
Double-layer flame-retardant tube
A protective PVC outer layer around a flexible PU inner tube for compressed-air lines in spark-prone work areas.
PVC outer jacketPU inner tube
View specifications 
Flexible air linePU
Standard PU pneumatic tube
Flexible TPU air line in seven published metric sizes and four documented production colors.
TPU tubeClear · red · blue · black
View specifications 
Broad size rangePA6
PA6 nylon pneumatic tube
A broad pressure-line family with 26 documented size and wall-thickness combinations.
PA6 nylonNatural · black · blue · red
View specifications 
Matched connectionsPU / PV / PG · PL · PW · BPC
Push-in fitting system
Straight, elbow, reducer, tee and threaded configurations for complete pneumatic routing.
Engineering polymer + metalPush-in tube connection
View specifications BUYING NOTE
Export price, packaging, freight and trade terms are confirmed per quantity and destination. Send an RFQ for a model-level quotation.
Prepare an RFQ →READY FOR A SPEC CHECK?