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  • Changzhou Longsheng Machinery Co.,LTD.
  • NO.65-28 xinggang road, Changzhou,Jiangsu, China.
  • P.C: 213023
  • Tel: +86-519 - 85527677
  • Fax: +86-519 - 88018876 88018875
  • Email: 888@czlongsheng.cn
  • Web: www.czlongsheng.cn
  • Services
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Technology support and after-sale services

1. Professional engineer and technician team are available and on time to your factory to install & commission the injection machines, and train your workers
2.Free training in our workshop for machines operation and basic maitemance
3.professional sales team help customers to choose most suitable and ecomonical machines model
4.Help customer make the workshop display, such as eletrcity line and cooling water installation.

Warranty:

RULES OF WARRENTY PERIOD FOR
PLASTIC INJECTION MOLDING MACHINE

WELCOME TO USE “LSF” PLASTIC INJECTION MOLDING MACHINE,HERE UNDER IS THE RULES OF THE WARRENTY PERIOD:
1. THE STARTING DATE FOR PERIOD WILL BE CALCULATED FROM THE DATE THE MACHINE IS SHIPPED FROM Longsheng.
2. CUSTOMER CAN ENJOY THE FOLLOWING SERVICE DURING THE PERIOD ONLY UNDER THE CONDITION THAT THEY OPERATE LSF MACHINE CORRECTLY WITH RIGHT PLASTIC MATERIAL AND NORMAL OPERATION.
3. THE CATEGORY AND INSTRUCTION OF THE MAIN ITEMS (REFER TO THE FOLLOWING 1ST FORM AND 2ND FORM).

1ST FORM

ITEMS

WARRENTY
PERIOD

ITEMS

WARRENTY
PERIOD

ITEMS

WARRENTY
PERIOD

CONTROLLER

12 MONTHS

DIRECTIONAL VALVE
PUMPS(VICKERS/USA)

12 MONTHS

PLATEN

24 MONTHS

CONTACTOR

6 MONTHS

DIRECTIONAL VALVE PUMPS(SUNNY/USA)

18 MONTHS

TIE BAR

24 MONTHS

HEATING
BAND

6 MONTHS

HYD MOTOR

18 MONTHS

OTHER
MECHANICAL
PARTS

12 MONTHS

OTHER
ELECTRICAL
ELEMENT

12 MONTHS

OTHER HYDRAULIC
COMPONENT

12 MONTHS

 

 

NOTE : FOLLWING POINTS ARE NOT INCLUDED DURING WARRANTY TERMS
1、 MACHINE IS DAMAGED BY INCORRECT OPERATION;
2、 THE PLATEN AND TIE BAR ARE DAMAGED DUE TO THE UNPARALLEL MOLD MOUNTED ON THE MACHINE OR NET&BOLT OF TIE BAR IS REMOVED WITHOUT AUTHORIZATION;
3、 THE CONTACTION AREA BETWEEN MOLD AND PLATEN IS LESS THAN SPECIFIED INSTRUCTION IN USER MANUAL OR IRREGULAR PRACTICES OF BOLT CAUSE THE PLATEN TO BE DAMAGED;
4、 THE HYDRAULIC PARTS GOT DAMAGED AFTER USING POOR QUALITY HYDRAULIC OIL;
5、 LACK OF LUBRICATION OR DAILY MAINTENANCE, DURING THE MACHINE RUNNING;

2ND FORM

RAW MATERIAL

WARRENTY PERIOD FOR BARREL &SCREW
 

NITRIDING

STAINLESS
STEEL

BIMETAL

GENERAL

SPECIAL

NON-ENGINEERING PLASTIC
MATERIAL&PROCESSING WASTAGE
PP/PE

6 MONTHS

12 MONTHS

12 MONTHS

18 MONTHS

ENGINEERING PLASTIC (PURE
RETRACTION MATERAIL)
ABS、PC、PA、PMMA

6 MONTHS

12 MONTHS

12 MONTHS

18 MONTHS

ENGINEERING PLASTIC (PURE
RETRACTION MATERAIL)
PBT、PPS

4 MONTHS

6 MONTHS

5 MONTHS

12 MONTHS

15-30% FIBERGLAS OR LESS THAN 30%
CALCIUM CARBORATE IN THE PLASTIC
MATERIAL

3 MONTHS

 

5 MONTHS

12 MONTHS

30-40% FIBERGLAS OR LESS THAN 30%
CALCIUM CARBORATE IN THE PLASTIC
MATERIAL

2 MONTHS

 

3 MONTHS

10 MONTHS

FLAME RETARDANT OR CORROSINE
ADDITIVE THE PLASTIC MATERIAL
POM\PVC

3 MONTHS

10 MONTHS

 

18 MONTHS

NOTE :FOLLWING POINTS ARE NOT INCLUDED DURING WARRANTY TERMS
1、 THE HEATING TEMPERATURE HAS NOT ARRIVED PROPERLY WHEN OPERATING THE MACHINE OR THERE ARE METAL ADULTERANT IN THE PLASTIC MATERIAL WHICH MAKES SCREW DAMAGED;
2、 THE MACHINE RUNS DESULTORILY OR THE SCREW GOT EROSION WITHOUT IN TIME DISLODGING;
3、 THE SCREW TYPE IS NOT SUITABLE FOR THE RAW MATERIAL PROCESSING ON THE MACHINE DUE TO WRONG INFORMATION GIVEN WHILE IN PURCHASE.

SERVICE

FACTORY NO:

 

 

DATE OF MANUFACTURING:

 

 

DURING THE WARRENTY PERIOD,THE SELLER WILL PROVIDE THE BUYER CORRESPONDING PARTS TO EXCHANGE THE DAMAGED PARTS FREE OF CHARGE UNDER THE CONDITION THAT THE BUYER RUN THE MACHINE CORRECTLY. IF NECESSARY, THE SELLER WILL ALSO SEND ENGINEER TO THE BUYER’S FACTORY TO SOLVE THE QUALITY PROBLEMS. EXPENSES OF ENGINEERS BE BORN BY WHICH PARTY DEPEND ON THE ACTUAL SITUATION.

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