Technical details:
Grade A:1. Four Planning  sides: Front side, back side, left side and right side;                                                                                        2. without Knots & slipknots, mineral lineation, bark pocket, decay, log blue, insect holes, top & inside cracks, cross-section, side camber,and cupping, etc.
Grade AB:  1. Four Planning  sides: Front side, back side, left side and right side;                                                                                       2. without knots,1 pcs of slipknot on the back side, its dia≦6mm;                                                                                             3. One pcs of  mineral lineation on the back side, size within 100*6mm;                                                                                     4. without bark pocket, decay, log blue, insect holes, top & inside cracks, cross-section, side camber,and cupping, etc.
Grade B:1. Four Planning  sides: Front side, back side, left side and right side;                                                                                        2. without knots,4 pcs of slipknot on the front and back side, its dia≦10mm;                                                                              3. Four pcs of  mineral lineation on the lumber, size within 100*6mm;                                                                                        4. without bark pocket, decay, log blue, insect holes, top & inside cracks, cross-section, side camber,and cupping, etc.
Grade C:  1. Four Planning  sides: Front side, back side, left side and right side;                                                                                         2. without knots on front side, left side and right side, but dia of slipknot is ≦15mm.2pcs of knots on the back side, its dia≦10mm. No knots and slipknots from the top to 30mm;                                                                                                                       3. There sereval mineral lineation on the lumber;                                                                                                                     4. Slight log blue;                                                                                                                                                                 5. without bark pocket, decay, insect holes, top & inside cracks, cross-section, side camber,and cupping, etc.

Established in 1980's, Hydenwood was established in Qingdao of China in 1990. There is a professional team with more than 300 people. Hydenwood has been a leading manufacturer of wooden furniture components in China. We have our own forest-lands and working bases in Russia. We have FSC supplying certificate.

We are specialized in birch wood product categories and have developed many unique products for ease of assembly in the upholstery and furniture industries. It covers components for cabinetry, planned lumbers, drawer materials, doors, drawer fronts, face frames, kitchen cabinet frames, wood tops, kitchenware, table and chair legs, and coaming, moldings and finger-joint splices.

There are several working bases in Perm of Russia, Riga of Latvia, Qingdao, Shangzhi, Putian of China.

Hydenwood annually produces various of wood products more than 30,000m3, the sales network throughout China, USA, Canada, Malaysia, Vietnam, Japan, Europe and Middle East. the annual output value is USD30 million.

Experienced professionals are always on hand to discuss not only the manufacturing process and selection of timber but also the finishing, packing and delivering to your factory.