Qingdao Liankai International Trading Co., Ltd. was established in 2005, with annual sales revenue of US $30 million. We are a supply chain company that provides engineering materials and construction machinery to large-scale infrastructure development projects such as building construction, drainage pipe networks, roads and bridges all year round, and our business covers the entire Africa.
Liankai's Material Supply Department has been committed to the research, development, production and application of geosynthetic materials, filter materials, composite materials, and building waterproof materials. Liankai New Geotechnical Materials Division has more than 100 patents and has developed more than 30 new functional products. It has formed railway and highway transportation projects, green environmental protection projects, water conservancy projects, ecological restoration projects, petrochemical anti-seepage projects, aerosol haze control, Overall system solutions such as sponge cities, underground pipe racks, and mountain slope protection projects.
Liankai New Geo-material has completed thousands of seepage control, slope protection, reinforcement, dust control etc. projectsin railway, highway, tailings, landfill, sewage and other items. Liankai products and services has been exported to more than 20 countries and regions as USA, Germany, Britain, Russia, Australia, Pakistan etc.
We also have a series of scaffolding products, including kwisktagescaffolding, ring lock scaffolding, wheel lock scaffolding, cup lock scaffolding, etc. Materials include galvanized layer and spray paint, iron scaffolding and aluminum scaffolding are available.
Meanwhile Liankai can meet the centralized procurement needs of African enterprises by providing one-stop solutions. We have thousands of business partners and mainly deal with heavy-duty truck parts from brands such as Sinotruk, Shaanxi Auto, Weichai, Dongfeng, and Jiefang. Additionally, we offer engineering machinery parts from well-known brands like Caterpillar, Komatsu, Cummins, Shantui, XCMG, SDLG, and LiuGong. Our trading product range covers various categories including hardware tools, construction materials, electro mechanical machinery, hardware accessories, electrical equipment, and labor protection.
Qingdao Liankai International Trade Co., Ltd., adheres to the principles of integrity, professionalism and innovation. We strive to provide customers with the best solutions. We look forward to establishing partnerships with more companies for mutual development and success.
Professional construction team
Expert Engineer
Production lines
Land occupation
MissionEmployee rich, customer trust, project safe
PrincipleIntegrity is the only chance, to create a win-win situation
Core ValueMake the customers feel safe and relieved to use our products.
SpiritMake all-out effort, work together, innovation and development.
(1) Machine direction (MD) and cross machine direction (XMD) average values should be on the basis of 5 test specimens each direction.
Yield elongation is calculated using a gage length of 1.3 inches
Break elongation is calculated using a gage length of 2.0 in.
(2) The yield stress used to calculate the applied load for the SP-NCTL test should be the manufacturer's mean valuevia MQC testing.
(3) Other methods such as D 1603 (tube furnace) or D 6370 (TGA) are acceptable if an appropriate correlation to D 4218 (muffle furnace) can be established.
(4) Carbon black dispersion (only near spherical agglomerates) for 10 different views:9 in Categories 1 or 2 and 1 in Category 3
(5) The manufacturer has the option to select either one of the OIT methods listed to evaluate the antioxidant content in the geomembrane.
(6) It is also recommended to evaluate samples at 30 and 60 days to compare with the 90 day response.
(7) The condition of the test should be 20 hr. UV cycle at 75。C followed by 4 hr. condensation at 60。C.
(8) Not recommended since the high temperature of the Std-OIT test produces an unrealistic result for some of the antioxidants in the UV exposed samples.
(9) UV resistance is based on percent retained value regardless of the original HP-OIT value.
(1) Machine direction(MD) and cross machine direction (XMD) average values should be on the basis of 5 test specimens each direction. Yield elongation is calculated using agage length of 33 mm Break elongation is calculated using agage length of 50 mm.
(2) The yield stress used to calculate the applied load for the SP-NCTL test should be the manufacturer's mean valuevia MQC testing.
(3) Other methods such as D 1603 (tube furnace) or D 6370 (TGA) are acceptable if an appropriate correlation to D 4218 (muffle furnace) can be established.
(4) Carbon black dispersion (only near spherical agglomerates) for 10 different views: 9 in Categories 1 or 2 and 1 in Category 3.
(5) The manufacturer has the option to select either one of the OIT methods listed to evaluate the antioxidant content in the geomembrane.
(6) It is also recommended to evaluate samples at 30 and 60 days to compare with the 90 day response.
(7) The condition of the test should be 20 hr. UV cycle at 75。C followed by 4 hr. condensation at 60。C.
(8) Not recommended since the high temperature of the Std-OIT test produces an unrealistic result for some of the antioxidants in the UV exposed samples.
(9) UV resistance is based on percent retained value regardless of the original HP-OIT value.
(1) Alternate the measurement side for double sided textured sheet
(2) Machine direction (MD) and cross machine direction (XMD) average values should be on the basis of 5 test specimens each direction.
Yield elongation is calculated using a gage length of 1.3 inches
Break elongation is calculated using a gage length of 2.0 inches
(3) SP-NCTL per ASTM D5397 Appendix, is not appropriate for testing geomembranes with textured or irregular rough surfaces. Test should be conducted on smooth edges of textured rolls or on smooth sheets made from the same
formulation as being used for the textured sheet materials. The yield stress used to calculate the applied load for the SP-NCTL test should be the manufacturer's mean valuevia MQC testing.
(4) Other methods such as D 1603 (tube furnace) or D 6370 (TGA) are acceptable if an appropriate correlation to D 4218 (muffle furnace) can be established.
(5) Carbon black dispersion (only near spherical agglomerates) for 10 different views:9 in Categories 1 or 2 and 1 in Category 3
(6) The manufacturer has the option to select either one of the OIT methods listed to evaluate the antioxidant content in the geomembrane.
(7) It is also recommended to evaluate samples at 30 and 60 days to compare with the 90 day response.
(8) The condition of the test should be 20 hr. UV cycle at 75。C followed by 4 hr. condensation at 60。C.
(9) Not recommended since the high temperature of the Std-OIT test produces an unrealistic result for some of the antioxidants in the UV exposed samples.
(10) UV resistance is based on percent retained value regardless of the original HP-OIT value.
(1) Alternate the measurement side for double sided textured sheet.
(2) Machine direction (MD) and cross machine direction (XMD) average values should be on the basis of 5 test specimens each direction.
Yield elongation is calculated using a gage length of 33 mm
Break elongation is calculated using a gage length of 50 mm
(3) The SP-NCTL testis not appropriate for testing geomembranes with textured or irregular rough surfaces. Test should be conducted on smooth edges of textured rolls or on smooth sheets made from the same formulation as
being used for the textured sheet materials. The yield stress used to calculate the applied load for the SP-NCTL test should be the manufacturer's mean valuevia MQC testing.
(4) Other methods such as D 1603 (tube furnace) or D 6370 (TGA) are acceptable if an appropriate correlation to D 4218 (muffle furnace) can be established.
(5) Carbon black dispersion (only near spherical agglomerates) for 10 different views:9 in Categories 1 or 2 and 1 in Category 3.
(6) The manufacturer has the option to select either one of the OIT methods listed to evaluate the antioxidant content in the geomembrane.
(7) It is also recommended to evaluate samples at 30 and 60 days to compare with the 90 day response.
(8) The condition ofthe test should be 20 hr. UV cycle at 75。C followed by 4 hr. condensation at 60。C.
(9) Not recommended since the high temperature of the Std-OIT test produces an unrealistic result for some of the antioxidants in the UV exposed samples.
(10) UV resistance is based on percent retained value regardless of the original HP-OIT value.
Qingdao Liankai International Trade Co., Ltd. is a high-new technology enterprise which mainly produce and deal with Geosynthetics products series. We ensure to provide the good quality and short delivery time for costumers and regard the sale-after service.Wehave perfect service system and professionals.
The company set up the customer sercice department equipped with more than 140 sets of excellent machinery equipments.We have 186 professionals in construction and service who trained specially and posses,post cerificates and, provided technical instruction in .the project of earth construction,laying,welding geosynthetics,help costumer design construcrion method of prevent water leakage,offer free technical traning and guide at site.
